18137476

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 38671360

約数和(自身を除く): 20533884

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 331, 412, 532, 662, 721, 1324, 1442, 1957, 2317, 2884, 3914, 4634, 6289, 7828, 9268, 12578, 13699, 25156, 27398, 34093, 44023, 54796, 68186, 88046, 136372, 176092, 238651, 477302, 647767, 954604, 1295534, 2591068, 4534369, 9068738, 18137476]

約数ペア:

[(1, 18137476), (2, 9068738), (4, 4534369), (7, 2591068), (14, 1295534), (19, 954604), (28, 647767), (38, 477302), (76, 238651), (103, 176092), (133, 136372), (206, 88046), (266, 68186), (331, 54796), (412, 44023), (532, 34093), (662, 27398), (721, 25156), (1324, 13699), (1442, 12578), (1957, 9268), (2317, 7828), (2884, 6289), (3914, 4634)]