18926860

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1699}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 39841200

約数和(自身を除く): 20914340

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1699, 2228, 2785, 3398, 5570, 6796, 8495, 11140, 16990, 33980, 946343, 1892686, 3785372, 4731715, 9463430, 18926860]

約数ペア:

[(1, 18926860), (2, 9463430), (4, 4731715), (5, 3785372), (10, 1892686), (20, 946343), (557, 33980), (1114, 16990), (1699, 11140), (2228, 8495), (2785, 6796), (3398, 5570)]