18811080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52253}}^1$

素因数の和:52270

約数の個数: 48

約数和(自身を含む): 61137180

約数和(自身を除く): 42326100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52253, 104506, 156759, 209012, 261265, 313518, 418024, 470277, 522530, 627036, 783795, 940554, 1045060, 1254072, 1567590, 1881108, 2090120, 2351385, 3135180, 3762216, 4702770, 6270360, 9405540, 18811080]

約数ペア:

[(1, 18811080), (2, 9405540), (3, 6270360), (4, 4702770), (5, 3762216), (6, 3135180), (8, 2351385), (9, 2090120), (10, 1881108), (12, 1567590), (15, 1254072), (18, 1045060), (20, 940554), (24, 783795), (30, 627036), (36, 522530), (40, 470277), (45, 418024), (60, 313518), (72, 261265), (90, 209012), (120, 156759), (180, 104506), (360, 52253)]