19109728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{233}}^2$

素因数の和:487

約数の個数: 36

約数和(自身を含む): 41219388

約数和(自身を除く): 22109660

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 233, 352, 466, 932, 1864, 2563, 3728, 5126, 7456, 10252, 20504, 41008, 54289, 82016, 108578, 217156, 434312, 597179, 868624, 1194358, 1737248, 2388716, 4777432, 9554864, 19109728]

約数ペア:

[(1, 19109728), (2, 9554864), (4, 4777432), (8, 2388716), (11, 1737248), (16, 1194358), (22, 868624), (32, 597179), (44, 434312), (88, 217156), (176, 108578), (233, 82016), (352, 54289), (466, 41008), (932, 20504), (1864, 10252), (2563, 7456), (3728, 5126)]