18429400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8377}}^1$

素因数の和:8404

約数の個数: 48

約数和(自身を含む): 46749240

約数和(自身を除く): 28319840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 8377, 16754, 33508, 41885, 67016, 83770, 92147, 167540, 184294, 209425, 335080, 368588, 418850, 460735, 737176, 837700, 921470, 1675400, 1842940, 2303675, 3685880, 4607350, 9214700, 18429400]

約数ペア:

[(1, 18429400), (2, 9214700), (4, 4607350), (5, 3685880), (8, 2303675), (10, 1842940), (11, 1675400), (20, 921470), (22, 837700), (25, 737176), (40, 460735), (44, 418850), (50, 368588), (55, 335080), (88, 209425), (100, 184294), (110, 167540), (200, 92147), (220, 83770), (275, 67016), (440, 41885), (550, 33508), (1100, 16754), (2200, 8377)]