19875505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1831}}^1$

素因数の和:2016

約数の個数: 16

約数和(自身を含む): 25853184

約数和(自身を除く): 5977679

約数列:

[1, 5, 13, 65, 167, 835, 1831, 2171, 9155, 10855, 23803, 119015, 305777, 1528885, 3975101, 19875505]

約数ペア:

[(1, 19875505), (5, 3975101), (13, 1528885), (65, 305777), (167, 119015), (835, 23803), (1831, 10855), (2171, 9155)]