19620180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109001}}^1$

素因数の和:109016

約数の個数: 36

約数和(自身を含む): 59515092

約数和(自身を除く): 39894912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109001, 218002, 327003, 436004, 545005, 654006, 981009, 1090010, 1308012, 1635015, 1962018, 2180020, 3270030, 3924036, 4905045, 6540060, 9810090, 19620180]

約数ペア:

[(1, 19620180), (2, 9810090), (3, 6540060), (4, 4905045), (5, 3924036), (6, 3270030), (9, 2180020), (10, 1962018), (12, 1635015), (15, 1308012), (18, 1090010), (20, 981009), (30, 654006), (36, 545005), (45, 436004), (60, 327003), (90, 218002), (180, 109001)]