19958054

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:911

約数の個数: 16

約数和(自身を含む): 30532992

約数和(自身を除く): 10574938

約数列:

[1, 2, 73, 146, 223, 446, 613, 1226, 16279, 32558, 44749, 89498, 136699, 273398, 9979027, 19958054]

約数ペア:

[(1, 19958054), (2, 9979027), (73, 273398), (146, 136699), (223, 89498), (446, 44749), (613, 32558), (1226, 16279)]