2018776720

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{26647}}^1$

素因数の和:27607

約数の個数: 40

約数和(自身を含む): 4698788544

約数和(自身を除く): 2680011824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1894, 3788, 4735, 7576, 9470, 15152, 18940, 26647, 37880, 53294, 75760, 106588, 133235, 213176, 266470, 426352, 532940, 1065880, 2131760, 25234709, 50469418, 100938836, 126173545, 201877672, 252347090, 403755344, 504694180, 1009388360, 2018776720]

約数ペア:

[(1, 2018776720), (2, 1009388360), (4, 504694180), (5, 403755344), (8, 252347090), (10, 201877672), (16, 126173545), (20, 100938836), (40, 50469418), (80, 25234709), (947, 2131760), (1894, 1065880), (3788, 532940), (4735, 426352), (7576, 266470), (9470, 213176), (15152, 133235), (18940, 106588), (26647, 75760), (37880, 53294)]