19439820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107999}}^1$

素因数の和:108014

約数の個数: 36

約数和(自身を含む): 58968000

約数和(自身を除く): 39528180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 107999, 215998, 323997, 431996, 539995, 647994, 971991, 1079990, 1295988, 1619985, 1943982, 2159980, 3239970, 3887964, 4859955, 6479940, 9719910, 19439820]

約数ペア:

[(1, 19439820), (2, 9719910), (3, 6479940), (4, 4859955), (5, 3887964), (6, 3239970), (9, 2159980), (10, 1943982), (12, 1619985), (15, 1295988), (18, 1079990), (20, 971991), (30, 647994), (36, 539995), (45, 431996), (60, 323997), (90, 215998), (180, 107999)]