18713416

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 36334080

約数和(自身を除く): 17620664

約数列:

[1, 2, 4, 8, 37, 74, 148, 191, 296, 331, 382, 662, 764, 1324, 1528, 2648, 7067, 12247, 14134, 24494, 28268, 48988, 56536, 63221, 97976, 126442, 252884, 505768, 2339177, 4678354, 9356708, 18713416]

約数ペア:

[(1, 18713416), (2, 9356708), (4, 4678354), (8, 2339177), (37, 505768), (74, 252884), (148, 126442), (191, 97976), (296, 63221), (331, 56536), (382, 48988), (662, 28268), (764, 24494), (1324, 14134), (1528, 12247), (2648, 7067)]