19872120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165601}}^1$

素因数の和:165615

約数の個数: 32

約数和(自身を含む): 59616720

約数和(自身を除く): 39744600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165601, 331202, 496803, 662404, 828005, 993606, 1324808, 1656010, 1987212, 2484015, 3312020, 3974424, 4968030, 6624040, 9936060, 19872120]

約数ペア:

[(1, 19872120), (2, 9936060), (3, 6624040), (4, 4968030), (5, 3974424), (6, 3312020), (8, 2484015), (10, 1987212), (12, 1656010), (15, 1324808), (20, 993606), (24, 828005), (30, 662404), (40, 496803), (60, 331202), (120, 165601)]