18421160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20023}}^1$

素因数の和:20057

約数の個数: 32

約数和(自身を含む): 43251840

約数和(自身を除く): 24830680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20023, 40046, 80092, 100115, 160184, 200230, 400460, 460529, 800920, 921058, 1842116, 2302645, 3684232, 4605290, 9210580, 18421160]

約数ペア:

[(1, 18421160), (2, 9210580), (4, 4605290), (5, 3684232), (8, 2302645), (10, 1842116), (20, 921058), (23, 800920), (40, 460529), (46, 400460), (92, 200230), (115, 160184), (184, 100115), (230, 80092), (460, 40046), (920, 20023)]