19004960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9137}}^1$

素因数の和:9165

約数の個数: 48

約数和(自身を含む): 48358296

約数和(自身を除く): 29353336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9137, 18274, 36548, 45685, 73096, 91370, 118781, 146192, 182740, 237562, 292384, 365480, 475124, 593905, 730960, 950248, 1187810, 1461920, 1900496, 2375620, 3800992, 4751240, 9502480, 19004960]

約数ペア:

[(1, 19004960), (2, 9502480), (4, 4751240), (5, 3800992), (8, 2375620), (10, 1900496), (13, 1461920), (16, 1187810), (20, 950248), (26, 730960), (32, 593905), (40, 475124), (52, 365480), (65, 292384), (80, 237562), (104, 182740), (130, 146192), (160, 118781), (208, 91370), (260, 73096), (416, 45685), (520, 36548), (1040, 18274), (2080, 9137)]