19812270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660409}}^1$

素因数の和:660419

約数の個数: 16

約数和(自身を含む): 47549520

約数和(自身を除く): 27737250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660409, 1320818, 1981227, 3302045, 3962454, 6604090, 9906135, 19812270]

約数ペア:

[(1, 19812270), (2, 9906135), (3, 6604090), (5, 3962454), (6, 3302045), (10, 1981227), (15, 1320818), (30, 660409)]