18379960

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{757}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 41477760

約数和(自身を除く): 23097800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 757, 1214, 1514, 2428, 3028, 3035, 3785, 4856, 6056, 6070, 7570, 12140, 15140, 24280, 30280, 459499, 918998, 1837996, 2297495, 3675992, 4594990, 9189980, 18379960]

約数ペア:

[(1, 18379960), (2, 9189980), (4, 4594990), (5, 3675992), (8, 2297495), (10, 1837996), (20, 918998), (40, 459499), (607, 30280), (757, 24280), (1214, 15140), (1514, 12140), (2428, 7570), (3028, 6070), (3035, 6056), (3785, 4856)]