19688770

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 36557568

約数和(自身を除く): 16868798

約数列:

[1, 2, 5, 10, 47, 94, 163, 235, 257, 326, 470, 514, 815, 1285, 1630, 2570, 7661, 12079, 15322, 24158, 38305, 41891, 60395, 76610, 83782, 120790, 209455, 418910, 1968877, 3937754, 9844385, 19688770]

約数ペア:

[(1, 19688770), (2, 9844385), (5, 3937754), (10, 1968877), (47, 418910), (94, 209455), (163, 120790), (235, 83782), (257, 76610), (326, 60395), (470, 41891), (514, 38305), (815, 24158), (1285, 15322), (1630, 12079), (2570, 7661)]