19416970

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4423}}^1$

素因数の和:4869

約数の個数: 16

約数和(自身を含む): 35038080

約数和(自身を除く): 15621110

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 4423, 8846, 22115, 44230, 1941697, 3883394, 9708485, 19416970]

約数ペア:

[(1, 19416970), (2, 9708485), (5, 3883394), (10, 1941697), (439, 44230), (878, 22115), (2195, 8846), (4390, 4423)]