19382937

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4139}}^1$

素因数の和:4372

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 10292583

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4139, 4683, 12417, 28973, 86919, 922997, 2768991, 6460979, 19382937]

約数ペア:

[(1, 19382937), (3, 6460979), (7, 2768991), (21, 922997), (223, 86919), (669, 28973), (1561, 12417), (4139, 4683)]