18827501

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10631}}^1$

素因数の和:10672

約数の個数: 16

約数和(自身を含む): 24496128

約数和(自身を除く): 5668627

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 10631, 74417, 116941, 244513, 818587, 1711591, 2689643, 18827501]

約数ペア:

[(1, 18827501), (7, 2689643), (11, 1711591), (23, 818587), (77, 244513), (161, 116941), (253, 74417), (1771, 10631)]