20188355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19319}}^1$

素因数の和:19354

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 7632445

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19319, 96595, 212509, 367061, 1062545, 1835305, 4037671, 20188355]

約数ペア:

[(1, 20188355), (5, 4037671), (11, 1835305), (19, 1062545), (55, 367061), (95, 212509), (209, 96595), (1045, 19319)]