19895880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165799}}^1$

素因数の和:165813

約数の個数: 32

約数和(自身を含む): 59688000

約数和(自身を除く): 39792120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165799, 331598, 497397, 663196, 828995, 994794, 1326392, 1657990, 1989588, 2486985, 3315980, 3979176, 4973970, 6631960, 9947940, 19895880]

約数ペア:

[(1, 19895880), (2, 9947940), (3, 6631960), (4, 4973970), (5, 3979176), (6, 3315980), (8, 2486985), (10, 1989588), (12, 1657990), (15, 1326392), (20, 994794), (24, 828995), (30, 663196), (40, 497397), (60, 331598), (120, 165799)]