19958961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1733}}^1$

素因数の和:2096

約数の個数: 16

約数和(自身を含む): 29131200

約数和(自身を除く): 9172239

約数列:

[1, 3, 11, 33, 349, 1047, 1733, 3839, 5199, 11517, 19063, 57189, 604817, 1814451, 6652987, 19958961]

約数ペア:

[(1, 19958961), (3, 6652987), (11, 1814451), (33, 604817), (349, 57189), (1047, 19063), (1733, 11517), (3839, 5199)]