19891792

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33601}}^1$

素因数の和:33646

約数の個数: 20

約数和(自身を含む): 39583156

約数和(自身を除く): 19691364

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33601, 67202, 134404, 268808, 537616, 1243237, 2486474, 4972948, 9945896, 19891792]

約数ペア:

[(1, 19891792), (2, 9945896), (4, 4972948), (8, 2486474), (16, 1243237), (37, 537616), (74, 268808), (148, 134404), (296, 67202), (592, 33601)]