19953802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5011}}^1$

素因数の和:5205

約数の個数: 16

約数和(自身を含む): 32838624

約数和(自身を除く): 12884822

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5011, 10022, 55121, 110242, 906991, 1813982, 9976901, 19953802]

約数ペア:

[(1, 19953802), (2, 9976901), (11, 1813982), (22, 906991), (181, 110242), (362, 55121), (1991, 10022), (3982, 5011)]