18651215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3001}}^1$

素因数の和:3130

約数の個数: 16

約数和(自身を含む): 24640416

約数和(自身を除く): 5989201

約数列:

[1, 5, 11, 55, 113, 565, 1243, 3001, 6215, 15005, 33011, 165055, 339113, 1695565, 3730243, 18651215]

約数ペア:

[(1, 18651215), (5, 3730243), (11, 1695565), (55, 339113), (113, 165055), (565, 33011), (1243, 15005), (3001, 6215)]