18697394

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2131}}^1$

素因数の和:2281

約数の個数: 16

約数和(自身を含む): 29012256

約数和(自身を除く): 10314862

約数列:

[1, 2, 41, 82, 107, 214, 2131, 4262, 4387, 8774, 87371, 174742, 228017, 456034, 9348697, 18697394]

約数ペア:

[(1, 18697394), (2, 9348697), (41, 456034), (82, 228017), (107, 174742), (214, 87371), (2131, 8774), (4262, 4387)]