19902242

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{523}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 30559680

約数和(自身を除く): 10657438

約数列:

[1, 2, 53, 106, 359, 523, 718, 1046, 19027, 27719, 38054, 55438, 187757, 375514, 9951121, 19902242]

約数ペア:

[(1, 19902242), (2, 9951121), (53, 375514), (106, 187757), (359, 55438), (523, 38054), (718, 27719), (1046, 19027)]