19914138

素因数分解:

$2^1\times 3^2\times {\mathrm{853}}^1\times {\mathrm{1297}}^1$

素因数の和:2158

約数の個数: 24

約数和(自身を含む): 43231188

約数和(自身を除く): 23317050

約数列:

[1, 2, 3, 6, 9, 18, 853, 1297, 1706, 2559, 2594, 3891, 5118, 7677, 7782, 11673, 15354, 23346, 1106341, 2212682, 3319023, 6638046, 9957069, 19914138]

約数ペア:

[(1, 19914138), (2, 9957069), (3, 6638046), (6, 3319023), (9, 2212682), (18, 1106341), (853, 23346), (1297, 15354), (1706, 11673), (2559, 7782), (2594, 7677), (3891, 5118)]