18655408

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{1151}}^1$

素因数の和:2172

約数の個数: 20

約数和(自身を含む): 36211968

約数和(自身を除く): 17556560

約数列:

[1, 2, 4, 8, 16, 1013, 1151, 2026, 2302, 4052, 4604, 8104, 9208, 16208, 18416, 1165963, 2331926, 4663852, 9327704, 18655408]

約数ペア:

[(1, 18655408), (2, 9327704), (4, 4663852), (8, 2331926), (16, 1165963), (1013, 18416), (1151, 16208), (2026, 9208), (2302, 8104), (4052, 4604)]