19835804

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17159}}^1$

素因数の和:17197

約数の個数: 18

約数和(自身を含む): 36876840

約数和(自身を除く): 17041036

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17159, 34318, 68636, 291703, 583406, 1166812, 4958951, 9917902, 19835804]

約数ペア:

[(1, 19835804), (2, 9917902), (4, 4958951), (17, 1166812), (34, 583406), (68, 291703), (289, 68636), (578, 34318), (1156, 17159)]