19405012

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40093}}^1$

素因数の和:40119

約数の個数: 18

約数和(自身を含む): 37327514

約数和(自身を除く): 17922502

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40093, 80186, 160372, 441023, 882046, 1764092, 4851253, 9702506, 19405012]

約数ペア:

[(1, 19405012), (2, 9702506), (4, 4851253), (11, 1764092), (22, 882046), (44, 441023), (121, 160372), (242, 80186), (484, 40093)]