17855915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 10275925

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2441, 7315, 12205, 17087, 26851, 46379, 85435, 134255, 187957, 231895, 324653, 510169, 939785, 1623265, 2550845, 3571183, 17855915]

約数ペア:

[(1, 17855915), (5, 3571183), (7, 2550845), (11, 1623265), (19, 939785), (35, 510169), (55, 324653), (77, 231895), (95, 187957), (133, 134255), (209, 85435), (385, 46379), (665, 26851), (1045, 17087), (1463, 12205), (2441, 7315)]