13808440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18169}}^1$

素因数の和:18199

約数の個数: 32

約数和(自身を含む): 32706000

約数和(自身を除く): 18897560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 18169, 36338, 72676, 90845, 145352, 181690, 345211, 363380, 690422, 726760, 1380844, 1726055, 2761688, 3452110, 6904220, 13808440]

約数ペア:

[(1, 13808440), (2, 6904220), (4, 3452110), (5, 2761688), (8, 1726055), (10, 1380844), (19, 726760), (20, 690422), (38, 363380), (40, 345211), (76, 181690), (95, 145352), (152, 90845), (190, 72676), (380, 36338), (760, 18169)]