18167480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6397}}^1$

素因数の和:6479

約数の個数: 32

約数和(自身を含む): 41459040

約数和(自身を除く): 23291560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6397, 12794, 25588, 31985, 51176, 63970, 127940, 255880, 454187, 908374, 1816748, 2270935, 3633496, 4541870, 9083740, 18167480]

約数ペア:

[(1, 18167480), (2, 9083740), (4, 4541870), (5, 3633496), (8, 2270935), (10, 1816748), (20, 908374), (40, 454187), (71, 255880), (142, 127940), (284, 63970), (355, 51176), (568, 31985), (710, 25588), (1420, 12794), (2840, 6397)]