18485238

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 22986762

約数列:

[1, 2, 3, 6, 23, 29, 31, 46, 58, 62, 69, 87, 93, 138, 149, 174, 186, 298, 447, 667, 713, 894, 899, 1334, 1426, 1798, 2001, 2139, 2697, 3427, 4002, 4278, 4321, 4619, 5394, 6854, 8642, 9238, 10281, 12963, 13857, 20562, 20677, 25926, 27714, 41354, 62031, 99383, 106237, 124062, 133951, 198766, 212474, 267902, 298149, 318711, 401853, 596298, 637422, 803706, 3080873, 6161746, 9242619, 18485238]

約数ペア:

[(1, 18485238), (2, 9242619), (3, 6161746), (6, 3080873), (23, 803706), (29, 637422), (31, 596298), (46, 401853), (58, 318711), (62, 298149), (69, 267902), (87, 212474), (93, 198766), (138, 133951), (149, 124062), (174, 106237), (186, 99383), (298, 62031), (447, 41354), (667, 27714), (713, 25926), (894, 20677), (899, 20562), (1334, 13857), (1426, 12963), (1798, 10281), (2001, 9238), (2139, 8642), (2697, 6854), (3427, 5394), (4002, 4619), (4278, 4321)]