19313855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12109}}^1$

素因数の和:12154

約数の個数: 16

約数和(自身を含む): 26157600

約数和(自身を除く): 6843745

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12109, 60545, 133199, 351161, 665995, 1755805, 3862771, 19313855]

約数ペア:

[(1, 19313855), (5, 3862771), (11, 1755805), (29, 665995), (55, 351161), (145, 133199), (319, 60545), (1595, 12109)]