1999405918

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{38039}}^1$

素因数の和:38723

約数の個数: 16

約数和(自身を含む): 3077131680

約数和(自身を除く): 1077725762

約数列:

[1, 2, 41, 82, 641, 1282, 26281, 38039, 52562, 76078, 1559599, 3119198, 24382999, 48765998, 999702959, 1999405918]

約数ペア:

[(1, 1999405918), (2, 999702959), (41, 48765998), (82, 24382999), (641, 3119198), (1282, 1559599), (26281, 76078), (38039, 52562)]