18955502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12494098

約数列:

[1, 2, 19, 29, 38, 58, 103, 167, 206, 334, 551, 1102, 1957, 2987, 3173, 3914, 4843, 5974, 6346, 9686, 17201, 34402, 56753, 92017, 113506, 184034, 326819, 498829, 653638, 997658, 9477751, 18955502]

約数ペア:

[(1, 18955502), (2, 9477751), (19, 997658), (29, 653638), (38, 498829), (58, 326819), (103, 184034), (167, 113506), (206, 92017), (334, 56753), (551, 34402), (1102, 17201), (1957, 9686), (2987, 6346), (3173, 5974), (3914, 4843)]