19191930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{639731}}^1$

素因数の和:639741

約数の個数: 16

約数和(自身を含む): 46060704

約数和(自身を除く): 26868774

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 639731, 1279462, 1919193, 3198655, 3838386, 6397310, 9595965, 19191930]

約数ペア:

[(1, 19191930), (2, 9595965), (3, 6397310), (5, 3838386), (6, 3198655), (10, 1919193), (15, 1279462), (30, 639731)]