19878232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{225889}}^1$

素因数の和:225906

約数の個数: 16

約数和(自身を含む): 40660200

約数和(自身を除く): 20781968

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 225889, 451778, 903556, 1807112, 2484779, 4969558, 9939116, 19878232]

約数ペア:

[(1, 19878232), (2, 9939116), (4, 4969558), (8, 2484779), (11, 1807112), (22, 903556), (44, 451778), (88, 225889)]