19937610

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 67962240

約数和(自身を除く): 48024630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 49, 54, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 135, 137, 147, 154, 165, 189, 198, 210, 231, 245, 270, 274, 294, 297, 315, 330, 378, 385, 411, 441, 462, 490, 495, 539, 594, 630, 685, 693, 735, 770, 822, 882, 945, 959, 990, 1078, 1155, 1233, 1323, 1370, 1386, 1470, 1485, 1507, 1617, 1890, 1918, 2055, 2079, 2205, 2310, 2466, 2646, 2695, 2877, 2970, 3014, 3234, 3465, 3699, 4110, 4158, 4410, 4521, 4795, 4851, 5390, 5754, 6165, 6615, 6713, 6930, 7398, 7535, 8085, 8631, 9042, 9590, 9702, 10395, 10549, 12330, 13230, 13426, 13563, 14385, 14553, 15070, 16170, 17262, 18495, 20139, 20790, 21098, 22605, 24255, 25893, 27126, 28770, 29106, 31647, 33565, 36990, 40278, 40689, 43155, 45210, 48510, 51786, 52745, 60417, 63294, 67130, 67815, 72765, 73843, 81378, 86310, 94941, 100695, 105490, 120834, 129465, 135630, 145530, 147686, 158235, 181251, 189882, 201390, 203445, 221529, 258930, 284823, 302085, 316470, 362502, 369215, 406890, 443058, 474705, 569646, 604170, 664587, 738430, 906255, 949410, 1107645, 1329174, 1424115, 1812510, 1993761, 2215290, 2848230, 3322935, 3987522, 6645870, 9968805, 19937610]

約数ペア:

[(1, 19937610), (2, 9968805), (3, 6645870), (5, 3987522), (6, 3322935), (7, 2848230), (9, 2215290), (10, 1993761), (11, 1812510), (14, 1424115), (15, 1329174), (18, 1107645), (21, 949410), (22, 906255), (27, 738430), (30, 664587), (33, 604170), (35, 569646), (42, 474705), (45, 443058), (49, 406890), (54, 369215), (55, 362502), (63, 316470), (66, 302085), (70, 284823), (77, 258930), (90, 221529), (98, 203445), (99, 201390), (105, 189882), (110, 181251), (126, 158235), (135, 147686), (137, 145530), (147, 135630), (154, 129465), (165, 120834), (189, 105490), (198, 100695), (210, 94941), (231, 86310), (245, 81378), (270, 73843), (274, 72765), (294, 67815), (297, 67130), (315, 63294), (330, 60417), (378, 52745), (385, 51786), (411, 48510), (441, 45210), (462, 43155), (490, 40689), (495, 40278), (539, 36990), (594, 33565), (630, 31647), (685, 29106), (693, 28770), (735, 27126), (770, 25893), (822, 24255), (882, 22605), (945, 21098), (959, 20790), (990, 20139), (1078, 18495), (1155, 17262), (1233, 16170), (1323, 15070), (1370, 14553), (1386, 14385), (1470, 13563), (1485, 13426), (1507, 13230), (1617, 12330), (1890, 10549), (1918, 10395), (2055, 9702), (2079, 9590), (2205, 9042), (2310, 8631), (2466, 8085), (2646, 7535), (2695, 7398), (2877, 6930), (2970, 6713), (3014, 6615), (3234, 6165), (3465, 5754), (3699, 5390), (4110, 4851), (4158, 4795), (4410, 4521)]