19748135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21121}}^1$

素因数の和:21154

約数の個数: 16

約数和(自身を含む): 27374112

約数和(自身を除く): 7625977

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21121, 105605, 232331, 359057, 1161655, 1795285, 3949627, 19748135]

約数ペア:

[(1, 19748135), (5, 3949627), (11, 1795285), (17, 1161655), (55, 359057), (85, 232331), (187, 105605), (935, 21121)]