18833680

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 43972632

約数和(自身を除く): 25138952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 593, 794, 1186, 1588, 1985, 2372, 2965, 3176, 3970, 4744, 5930, 6352, 7940, 9488, 11860, 15880, 23720, 31760, 47440, 235421, 470842, 941684, 1177105, 1883368, 2354210, 3766736, 4708420, 9416840, 18833680]

約数ペア:

[(1, 18833680), (2, 9416840), (4, 4708420), (5, 3766736), (8, 2354210), (10, 1883368), (16, 1177105), (20, 941684), (40, 470842), (80, 235421), (397, 47440), (593, 31760), (794, 23720), (1186, 15880), (1588, 11860), (1985, 9488), (2372, 7940), (2965, 6352), (3176, 5930), (3970, 4744)]