19748313380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5623}}^1\times {\mathrm{4283}}^1$

素因数の和:9956

約数の個数: 48

約数和(自身を含む): 42500433024

約数和(自身を除く): 22752119644

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4283, 5623, 8566, 11246, 17132, 21415, 22492, 28115, 42830, 56230, 85660, 112460, 175603, 230543, 351206, 461086, 702412, 878015, 922172, 1152715, 1756030, 2305430, 3512060, 4610860, 24083309, 48166618, 96333236, 120416545, 240833090, 481666180, 987415669, 1974831338, 3949662676, 4937078345, 9874156690, 19748313380]

約数ペア:

[(1, 19748313380), (2, 9874156690), (4, 4937078345), (5, 3949662676), (10, 1974831338), (20, 987415669), (41, 481666180), (82, 240833090), (164, 120416545), (205, 96333236), (410, 48166618), (820, 24083309), (4283, 4610860), (5623, 3512060), (8566, 2305430), (11246, 1756030), (17132, 1152715), (21415, 922172), (22492, 878015), (28115, 702412), (42830, 461086), (56230, 351206), (85660, 230543), (112460, 175603)]