18771060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 50901900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 51, 55, 60, 66, 68, 70, 77, 84, 85, 102, 105, 110, 119, 132, 140, 154, 165, 170, 187, 204, 210, 220, 231, 238, 239, 255, 308, 330, 340, 357, 374, 385, 420, 462, 476, 478, 510, 561, 595, 660, 714, 717, 748, 770, 924, 935, 956, 1020, 1122, 1155, 1190, 1195, 1309, 1428, 1434, 1540, 1673, 1785, 1870, 2244, 2310, 2380, 2390, 2618, 2629, 2805, 2868, 3346, 3570, 3585, 3740, 3927, 4063, 4620, 4780, 5019, 5236, 5258, 5610, 6545, 6692, 7140, 7170, 7854, 7887, 8126, 8365, 10038, 10516, 11220, 12189, 13090, 13145, 14340, 15708, 15774, 16252, 16730, 18403, 19635, 20076, 20315, 24378, 25095, 26180, 26290, 28441, 31548, 33460, 36806, 39270, 39435, 40630, 44693, 48756, 50190, 52580, 55209, 56882, 60945, 73612, 78540, 78870, 81260, 85323, 89386, 92015, 100380, 110418, 113764, 121890, 134079, 142205, 157740, 170646, 178772, 184030, 220836, 223465, 243780, 268158, 276045, 284410, 312851, 341292, 368060, 426615, 446930, 536316, 552090, 568820, 625702, 670395, 853230, 893860, 938553, 1104180, 1251404, 1340790, 1564255, 1706460, 1877106, 2681580, 3128510, 3754212, 4692765, 6257020, 9385530, 18771060]

約数ペア:

[(1, 18771060), (2, 9385530), (3, 6257020), (4, 4692765), (5, 3754212), (6, 3128510), (7, 2681580), (10, 1877106), (11, 1706460), (12, 1564255), (14, 1340790), (15, 1251404), (17, 1104180), (20, 938553), (21, 893860), (22, 853230), (28, 670395), (30, 625702), (33, 568820), (34, 552090), (35, 536316), (42, 446930), (44, 426615), (51, 368060), (55, 341292), (60, 312851), (66, 284410), (68, 276045), (70, 268158), (77, 243780), (84, 223465), (85, 220836), (102, 184030), (105, 178772), (110, 170646), (119, 157740), (132, 142205), (140, 134079), (154, 121890), (165, 113764), (170, 110418), (187, 100380), (204, 92015), (210, 89386), (220, 85323), (231, 81260), (238, 78870), (239, 78540), (255, 73612), (308, 60945), (330, 56882), (340, 55209), (357, 52580), (374, 50190), (385, 48756), (420, 44693), (462, 40630), (476, 39435), (478, 39270), (510, 36806), (561, 33460), (595, 31548), (660, 28441), (714, 26290), (717, 26180), (748, 25095), (770, 24378), (924, 20315), (935, 20076), (956, 19635), (1020, 18403), (1122, 16730), (1155, 16252), (1190, 15774), (1195, 15708), (1309, 14340), (1428, 13145), (1434, 13090), (1540, 12189), (1673, 11220), (1785, 10516), (1870, 10038), (2244, 8365), (2310, 8126), (2380, 7887), (2390, 7854), (2618, 7170), (2629, 7140), (2805, 6692), (2868, 6545), (3346, 5610), (3570, 5258), (3585, 5236), (3740, 5019), (3927, 4780), (4063, 4620)]