19187970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{639599}}^1$

素因数の和:639609

約数の個数: 16

約数和(自身を含む): 46051200

約数和(自身を除く): 26863230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 639599, 1279198, 1918797, 3197995, 3837594, 6395990, 9593985, 19187970]

約数ペア:

[(1, 19187970), (2, 9593985), (3, 6395990), (5, 3837594), (6, 3197995), (10, 1918797), (15, 1279198), (30, 639599)]