18251268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12781}}^1$

素因数の和:12812

約数の個数: 48

約数和(自身を含む): 51537024

約数和(自身を除く): 33285756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 12781, 25562, 38343, 51124, 76686, 89467, 153372, 178934, 217277, 268401, 357868, 434554, 536802, 651831, 869108, 1073604, 1303662, 1520939, 2607324, 3041878, 4562817, 6083756, 9125634, 18251268]

約数ペア:

[(1, 18251268), (2, 9125634), (3, 6083756), (4, 4562817), (6, 3041878), (7, 2607324), (12, 1520939), (14, 1303662), (17, 1073604), (21, 869108), (28, 651831), (34, 536802), (42, 434554), (51, 357868), (68, 268401), (84, 217277), (102, 178934), (119, 153372), (204, 89467), (238, 76686), (357, 51124), (476, 38343), (714, 25562), (1428, 12781)]