18441880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8699}}^1$

素因数の和:8763

約数の個数: 32

約数和(自身を含む): 42282000

約数和(自身を除く): 23840120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8699, 17398, 34796, 43495, 69592, 86990, 173980, 347960, 461047, 922094, 1844188, 2305235, 3688376, 4610470, 9220940, 18441880]

約数ペア:

[(1, 18441880), (2, 9220940), (4, 4610470), (5, 3688376), (8, 2305235), (10, 1844188), (20, 922094), (40, 461047), (53, 347960), (106, 173980), (212, 86990), (265, 69592), (424, 43495), (530, 34796), (1060, 17398), (2120, 8699)]