18246290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 16175470

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 829, 1658, 2201, 4145, 4402, 8290, 11005, 22010, 25699, 51398, 58859, 117718, 128495, 256990, 294295, 588590, 1824629, 3649258, 9123145, 18246290]

約数ペア:

[(1, 18246290), (2, 9123145), (5, 3649258), (10, 1824629), (31, 588590), (62, 294295), (71, 256990), (142, 128495), (155, 117718), (310, 58859), (355, 51398), (710, 25699), (829, 22010), (1658, 11005), (2201, 8290), (4145, 4402)]