19031860

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1907}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 40068000

約数和(自身を除く): 21036140

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1907, 1996, 2495, 3814, 4990, 7628, 9535, 9980, 19070, 38140, 951593, 1903186, 3806372, 4757965, 9515930, 19031860]

約数ペア:

[(1, 19031860), (2, 9515930), (4, 4757965), (5, 3806372), (10, 1903186), (20, 951593), (499, 38140), (998, 19070), (1907, 9980), (1996, 9535), (2495, 7628), (3814, 4990)]