18731790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 256

約数和(自身を含む): 67184640

約数和(自身を除く): 48452850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 27, 30, 33, 34, 35, 42, 45, 51, 53, 54, 55, 63, 66, 70, 77, 85, 90, 99, 102, 105, 106, 110, 119, 126, 135, 153, 154, 159, 165, 170, 187, 189, 198, 210, 231, 238, 255, 265, 270, 297, 306, 315, 318, 330, 357, 371, 374, 378, 385, 459, 462, 477, 495, 510, 530, 561, 583, 594, 595, 630, 693, 714, 742, 765, 770, 795, 901, 918, 935, 945, 954, 990, 1071, 1113, 1122, 1155, 1166, 1190, 1309, 1386, 1431, 1485, 1530, 1590, 1683, 1749, 1785, 1802, 1855, 1870, 1890, 2079, 2142, 2226, 2295, 2310, 2385, 2618, 2703, 2805, 2862, 2915, 2970, 3213, 3339, 3366, 3465, 3498, 3570, 3710, 3927, 4081, 4158, 4505, 4590, 4770, 5049, 5247, 5355, 5406, 5565, 5610, 5830, 6307, 6426, 6545, 6678, 6930, 7155, 7854, 8109, 8162, 8415, 8745, 9010, 9911, 10017, 10098, 10395, 10494, 10710, 11130, 11781, 12243, 12614, 13090, 13515, 14310, 15741, 16065, 16218, 16695, 16830, 17490, 18921, 19635, 19822, 20034, 20405, 20790, 23562, 24327, 24486, 25245, 26235, 27030, 29733, 31482, 31535, 32130, 33390, 35343, 36729, 37842, 39270, 40545, 40810, 48654, 49555, 50085, 50490, 52470, 56763, 58905, 59466, 61215, 63070, 69377, 70686, 73458, 78705, 81090, 89199, 94605, 99110, 100170, 110187, 113526, 117810, 121635, 122430, 138754, 148665, 157410, 170289, 176715, 178398, 183645, 189210, 208131, 220374, 243270, 267597, 283815, 297330, 340578, 346885, 353430, 367290, 416262, 445995, 535194, 550935, 567630, 624393, 693770, 851445, 891990, 1040655, 1101870, 1248786, 1337985, 1702890, 1873179, 2081310, 2675970, 3121965, 3746358, 6243930, 9365895, 18731790]

約数ペア:

[(1, 18731790), (2, 9365895), (3, 6243930), (5, 3746358), (6, 3121965), (7, 2675970), (9, 2081310), (10, 1873179), (11, 1702890), (14, 1337985), (15, 1248786), (17, 1101870), (18, 1040655), (21, 891990), (22, 851445), (27, 693770), (30, 624393), (33, 567630), (34, 550935), (35, 535194), (42, 445995), (45, 416262), (51, 367290), (53, 353430), (54, 346885), (55, 340578), (63, 297330), (66, 283815), (70, 267597), (77, 243270), (85, 220374), (90, 208131), (99, 189210), (102, 183645), (105, 178398), (106, 176715), (110, 170289), (119, 157410), (126, 148665), (135, 138754), (153, 122430), (154, 121635), (159, 117810), (165, 113526), (170, 110187), (187, 100170), (189, 99110), (198, 94605), (210, 89199), (231, 81090), (238, 78705), (255, 73458), (265, 70686), (270, 69377), (297, 63070), (306, 61215), (315, 59466), (318, 58905), (330, 56763), (357, 52470), (371, 50490), (374, 50085), (378, 49555), (385, 48654), (459, 40810), (462, 40545), (477, 39270), (495, 37842), (510, 36729), (530, 35343), (561, 33390), (583, 32130), (594, 31535), (595, 31482), (630, 29733), (693, 27030), (714, 26235), (742, 25245), (765, 24486), (770, 24327), (795, 23562), (901, 20790), (918, 20405), (935, 20034), (945, 19822), (954, 19635), (990, 18921), (1071, 17490), (1113, 16830), (1122, 16695), (1155, 16218), (1166, 16065), (1190, 15741), (1309, 14310), (1386, 13515), (1431, 13090), (1485, 12614), (1530, 12243), (1590, 11781), (1683, 11130), (1749, 10710), (1785, 10494), (1802, 10395), (1855, 10098), (1870, 10017), (1890, 9911), (2079, 9010), (2142, 8745), (2226, 8415), (2295, 8162), (2310, 8109), (2385, 7854), (2618, 7155), (2703, 6930), (2805, 6678), (2862, 6545), (2915, 6426), (2970, 6307), (3213, 5830), (3339, 5610), (3366, 5565), (3465, 5406), (3498, 5355), (3570, 5247), (3710, 5049), (3927, 4770), (4081, 4590), (4158, 4505)]