19984165

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 24659712

約数和(自身を除く): 4675547

約数列:

[1, 5, 47, 235, 277, 307, 1385, 1535, 13019, 14429, 65095, 72145, 85039, 425195, 3996833, 19984165]

約数ペア:

[(1, 19984165), (5, 3996833), (47, 425195), (235, 85039), (277, 72145), (307, 65095), (1385, 14429), (1535, 13019)]