17991180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33317}}^1$

素因数の和:33335

約数の個数: 48

約数和(自身を含む): 55974240

約数和(自身を除く): 37983060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 33317, 66634, 99951, 133268, 166585, 199902, 299853, 333170, 399804, 499755, 599706, 666340, 899559, 999510, 1199412, 1499265, 1799118, 1999020, 2998530, 3598236, 4497795, 5997060, 8995590, 17991180]

約数ペア:

[(1, 17991180), (2, 8995590), (3, 5997060), (4, 4497795), (5, 3598236), (6, 2998530), (9, 1999020), (10, 1799118), (12, 1499265), (15, 1199412), (18, 999510), (20, 899559), (27, 666340), (30, 599706), (36, 499755), (45, 399804), (54, 333170), (60, 299853), (90, 199902), (108, 166585), (135, 133268), (180, 99951), (270, 66634), (540, 33317)]