19204905

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27241}}^1$

素因数の和:27296

約数の個数: 16

約数和(自身を含む): 31382784

約数和(自身を除く): 12177879

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 27241, 81723, 136205, 408615, 1280327, 3840981, 6401635, 19204905]

約数ペア:

[(1, 19204905), (3, 6401635), (5, 3840981), (15, 1280327), (47, 408615), (141, 136205), (235, 81723), (705, 27241)]