19245585

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 12434415

約数列:

[1, 3, 5, 15, 79, 109, 149, 237, 327, 395, 447, 545, 745, 1185, 1635, 2235, 8611, 11771, 16241, 25833, 35313, 43055, 48723, 58855, 81205, 129165, 176565, 243615, 1283039, 3849117, 6415195, 19245585]

約数ペア:

[(1, 19245585), (3, 6415195), (5, 3849117), (15, 1283039), (79, 243615), (109, 176565), (149, 129165), (237, 81205), (327, 58855), (395, 48723), (447, 43055), (545, 35313), (745, 25833), (1185, 16241), (1635, 11771), (2235, 8611)]