19741631

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 24403008

約数和(自身を除く): 4661377

約数列:

[1, 7, 13, 91, 401, 541, 2807, 3787, 5213, 7033, 36491, 49231, 216941, 1518587, 2820233, 19741631]

約数ペア:

[(1, 19741631), (7, 2820233), (13, 1518587), (91, 216941), (401, 49231), (541, 36491), (2807, 7033), (3787, 5213)]