19909620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110609}}^1$

素因数の和:110624

約数の個数: 36

約数和(自身を含む): 60393060

約数和(自身を除く): 40483440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110609, 221218, 331827, 442436, 553045, 663654, 995481, 1106090, 1327308, 1659135, 1990962, 2212180, 3318270, 3981924, 4977405, 6636540, 9954810, 19909620]

約数ペア:

[(1, 19909620), (2, 9954810), (3, 6636540), (4, 4977405), (5, 3981924), (6, 3318270), (9, 2212180), (10, 1990962), (12, 1659135), (15, 1327308), (18, 1106090), (20, 995481), (30, 663654), (36, 553045), (45, 442436), (60, 331827), (90, 221218), (180, 110609)]