19561498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{3917}}^1$

素因数の和:4157

約数の個数: 16

約数和(自身を含む): 32158944

約数和(自身を除く): 12597446

約数列:

[1, 2, 11, 22, 227, 454, 2497, 3917, 4994, 7834, 43087, 86174, 889159, 1778318, 9780749, 19561498]

約数ペア:

[(1, 19561498), (2, 9780749), (11, 1778318), (22, 889159), (227, 86174), (454, 43087), (2497, 7834), (3917, 4994)]