19890060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331501}}^1$

素因数の和:331513

約数の個数: 24

約数和(自身を含む): 55692336

約数和(自身を除く): 35802276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331501, 663002, 994503, 1326004, 1657505, 1989006, 3315010, 3978012, 4972515, 6630020, 9945030, 19890060]

約数ペア:

[(1, 19890060), (2, 9945030), (3, 6630020), (4, 4972515), (5, 3978012), (6, 3315010), (10, 1989006), (12, 1657505), (15, 1326004), (20, 994503), (30, 663002), (60, 331501)]