18987085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4951}}^1$

素因数の和:5028

約数の個数: 16

約数和(自身を含む): 24958080

約数和(自身を除く): 5970995

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 4951, 24755, 64363, 292109, 321815, 1460545, 3797417, 18987085]

約数ペア:

[(1, 18987085), (5, 3797417), (13, 1460545), (59, 321815), (65, 292109), (295, 64363), (767, 24755), (3835, 4951)]