19484881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 21732480

約数和(自身を除く): 2247599

約数列:

[1, 13, 41, 139, 263, 533, 1807, 3419, 5699, 10783, 36557, 74087, 140179, 475241, 1498837, 19484881]

約数ペア:

[(1, 19484881), (13, 1498837), (41, 475241), (139, 140179), (263, 74087), (533, 36557), (1807, 10783), (3419, 5699)]