19199490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{639983}}^1$

素因数の和:639993

約数の個数: 16

約数和(自身を含む): 46078848

約数和(自身を除く): 26879358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 639983, 1279966, 1919949, 3199915, 3839898, 6399830, 9599745, 19199490]

約数ペア:

[(1, 19199490), (2, 9599745), (3, 6399830), (5, 3839898), (6, 3199915), (10, 1919949), (15, 1279966), (30, 639983)]