18389416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{359}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 36504000

約数和(自身を除く): 18114584

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 337, 359, 674, 718, 1348, 1436, 2696, 2872, 6403, 6821, 12806, 13642, 25612, 27284, 51224, 54568, 120983, 241966, 483932, 967864, 2298677, 4597354, 9194708, 18389416]

約数ペア:

[(1, 18389416), (2, 9194708), (4, 4597354), (8, 2298677), (19, 967864), (38, 483932), (76, 241966), (152, 120983), (337, 54568), (359, 51224), (674, 27284), (718, 25612), (1348, 13642), (1436, 12806), (2696, 6821), (2872, 6403)]