19973670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{665789}}^1$

素因数の和:665799

約数の個数: 16

約数和(自身を含む): 47936880

約数和(自身を除く): 27963210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 665789, 1331578, 1997367, 3328945, 3994734, 6657890, 9986835, 19973670]

約数ペア:

[(1, 19973670), (2, 9986835), (3, 6657890), (5, 3994734), (6, 3328945), (10, 1997367), (15, 1331578), (30, 665789)]