19019505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1901}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 32866560

約数和(自身を除く): 13847055

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1901, 2001, 3335, 5703, 9505, 10005, 28515, 43723, 55129, 131169, 165387, 218615, 275645, 655845, 826935, 1267967, 3803901, 6339835, 19019505]

約数ペア:

[(1, 19019505), (3, 6339835), (5, 3803901), (15, 1267967), (23, 826935), (29, 655845), (69, 275645), (87, 218615), (115, 165387), (145, 131169), (345, 55129), (435, 43723), (667, 28515), (1901, 10005), (2001, 9505), (3335, 5703)]