19819830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660661}}^1$

素因数の和:660671

約数の個数: 16

約数和(自身を含む): 47567664

約数和(自身を除く): 27747834

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660661, 1321322, 1981983, 3303305, 3963966, 6606610, 9909915, 19819830]

約数ペア:

[(1, 19819830), (2, 9909915), (3, 6606610), (5, 3963966), (6, 3303305), (10, 1981983), (15, 1321322), (30, 660661)]