19890110

素因数分解:

$2^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2677}}^1$

素因数の和:3427

約数の個数: 16

約数和(自身を含む): 35863776

約数和(自身を除く): 15973666

約数列:

[1, 2, 5, 10, 743, 1486, 2677, 3715, 5354, 7430, 13385, 26770, 1989011, 3978022, 9945055, 19890110]

約数ペア:

[(1, 19890110), (2, 9945055), (5, 3978022), (10, 1989011), (743, 26770), (1486, 13385), (2677, 7430), (3715, 5354)]