19949461

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 23731200

約数和(自身を除く): 3781739

約数列:

[1, 7, 31, 149, 217, 617, 1043, 4319, 4619, 19127, 32333, 91933, 133889, 643531, 2849923, 19949461]

約数ペア:

[(1, 19949461), (7, 2849923), (31, 643531), (149, 133889), (217, 91933), (617, 32333), (1043, 19127), (4319, 4619)]