19374421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 21909888

約数和(自身を除く): 2535467

約数列:

[1, 11, 37, 181, 263, 407, 1991, 2893, 6697, 9731, 47603, 73667, 107041, 523633, 1761311, 19374421]

約数ペア:

[(1, 19374421), (11, 1761311), (37, 523633), (181, 107041), (263, 73667), (407, 47603), (1991, 9731), (2893, 6697)]