19690864

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{1499}}^1$

素因数の和:2328

約数の個数: 20

約数和(自身を含む): 38223000

約数和(自身を除く): 18532136

約数列:

[1, 2, 4, 8, 16, 821, 1499, 1642, 2998, 3284, 5996, 6568, 11992, 13136, 23984, 1230679, 2461358, 4922716, 9845432, 19690864]

約数ペア:

[(1, 19690864), (2, 9845432), (4, 4922716), (8, 2461358), (16, 1230679), (821, 23984), (1499, 13136), (1642, 11992), (2998, 6568), (3284, 5996)]