19319730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643991}}^1$

素因数の和:644001

約数の個数: 16

約数和(自身を含む): 46367424

約数和(自身を除く): 27047694

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643991, 1287982, 1931973, 3219955, 3863946, 6439910, 9659865, 19319730]

約数ペア:

[(1, 19319730), (2, 9659865), (3, 6439910), (5, 3863946), (6, 3219955), (10, 1931973), (15, 1287982), (30, 643991)]