18897309

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 28094040

約数和(自身を除く): 9196731

約数列:

[1, 3, 9, 53, 159, 173, 229, 477, 519, 687, 1557, 2061, 9169, 12137, 27507, 36411, 39617, 82521, 109233, 118851, 356553, 2099701, 6299103, 18897309]

約数ペア:

[(1, 18897309), (3, 6299103), (9, 2099701), (53, 356553), (159, 118851), (173, 109233), (229, 82521), (477, 39617), (519, 36411), (687, 27507), (1557, 12137), (2061, 9169)]