19739715

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42451}}^1$

素因数の和:42490

約数の個数: 16

約数和(自身を含む): 32603136

約数和(自身を除く): 12863421

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 42451, 127353, 212255, 636765, 1315981, 3947943, 6579905, 19739715]

約数ペア:

[(1, 19739715), (3, 6579905), (5, 3947943), (15, 1315981), (31, 636765), (93, 212255), (155, 127353), (465, 42451)]