18075990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 27543210

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 79, 87, 145, 158, 174, 237, 263, 290, 395, 435, 474, 526, 789, 790, 870, 1185, 1315, 1578, 2291, 2370, 2630, 3945, 4582, 6873, 7627, 7890, 11455, 13746, 15254, 20777, 22881, 22910, 34365, 38135, 41554, 45762, 62331, 68730, 76270, 103885, 114405, 124662, 207770, 228810, 311655, 602533, 623310, 1205066, 1807599, 3012665, 3615198, 6025330, 9037995, 18075990]

約数ペア:

[(1, 18075990), (2, 9037995), (3, 6025330), (5, 3615198), (6, 3012665), (10, 1807599), (15, 1205066), (29, 623310), (30, 602533), (58, 311655), (79, 228810), (87, 207770), (145, 124662), (158, 114405), (174, 103885), (237, 76270), (263, 68730), (290, 62331), (395, 45762), (435, 41554), (474, 38135), (526, 34365), (789, 22910), (790, 22881), (870, 20777), (1185, 15254), (1315, 13746), (1578, 11455), (2291, 7890), (2370, 7627), (2630, 6873), (3945, 4582)]