19195231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 21805056

約数和(自身を除く): 2609825

約数列:

[1, 11, 31, 181, 311, 341, 1991, 3421, 5611, 9641, 56291, 61721, 106051, 619201, 1745021, 19195231]

約数ペア:

[(1, 19195231), (11, 1745021), (31, 619201), (181, 106051), (311, 61721), (341, 56291), (1991, 9641), (3421, 5611)]