18955892

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 14912908

約数列:

[1, 2, 4, 79, 158, 223, 269, 316, 446, 538, 892, 1076, 17617, 21251, 35234, 42502, 59987, 70468, 85004, 119974, 239948, 4738973, 9477946, 18955892]

約数ペア:

[(1, 18955892), (2, 9477946), (4, 4738973), (79, 239948), (158, 119974), (223, 85004), (269, 70468), (316, 59987), (446, 42502), (538, 35234), (892, 21251), (1076, 17617)]