18638512

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{2767}}^1$

素因数の和:3196

約数の個数: 20

約数和(自身を含む): 36210976

約数和(自身を除く): 17572464

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 2767, 3368, 5534, 6736, 11068, 22136, 44272, 1164907, 2329814, 4659628, 9319256, 18638512]

約数ペア:

[(1, 18638512), (2, 9319256), (4, 4659628), (8, 2329814), (16, 1164907), (421, 44272), (842, 22136), (1684, 11068), (2767, 6736), (3368, 5534)]