19366984360

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{491}}^1\times {\mathrm{2411}}^1$

素因数の和:3322

約数の個数: 64

約数和(自身を含む): 43789377600

約数和(自身を除く): 24422393240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 491, 818, 982, 1636, 1964, 2045, 2411, 2455, 3272, 3928, 4090, 4822, 4910, 8180, 9644, 9820, 12055, 16360, 19288, 19640, 24110, 48220, 96440, 200819, 401638, 803276, 986099, 1004095, 1183801, 1606552, 1972198, 2008190, 2367602, 3944396, 4016380, 4735204, 4930495, 5919005, 7888792, 8032760, 9470408, 9860990, 11838010, 19721980, 23676020, 39443960, 47352040, 484174609, 968349218, 1936698436, 2420873045, 3873396872, 4841746090, 9683492180, 19366984360]

約数ペア:

[(1, 19366984360), (2, 9683492180), (4, 4841746090), (5, 3873396872), (8, 2420873045), (10, 1936698436), (20, 968349218), (40, 484174609), (409, 47352040), (491, 39443960), (818, 23676020), (982, 19721980), (1636, 11838010), (1964, 9860990), (2045, 9470408), (2411, 8032760), (2455, 7888792), (3272, 5919005), (3928, 4930495), (4090, 4735204), (4822, 4016380), (4910, 3944396), (8180, 2367602), (9644, 2008190), (9820, 1972198), (12055, 1606552), (16360, 1183801), (19288, 1004095), (19640, 986099), (24110, 803276), (48220, 401638), (96440, 200819)]