18643885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2957}}^1$

素因数の和:3072

約数の個数: 16

約数和(自身を含む): 24350256

約数和(自身を除く): 5706371

約数列:

[1, 5, 13, 65, 97, 485, 1261, 2957, 6305, 14785, 38441, 192205, 286829, 1434145, 3728777, 18643885]

約数ペア:

[(1, 18643885), (5, 3728777), (13, 1434145), (65, 286829), (97, 192205), (485, 38441), (1261, 14785), (2957, 6305)]