19713950

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{941}}^1$

素因数の和:1372

約数の個数: 24

約数和(自身を含む): 36794520

約数和(自身を除く): 17080570

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 941, 1882, 2095, 4190, 4705, 9410, 10475, 20950, 23525, 47050, 394279, 788558, 1971395, 3942790, 9856975, 19713950]

約数ペア:

[(1, 19713950), (2, 9856975), (5, 3942790), (10, 1971395), (25, 788558), (50, 394279), (419, 47050), (838, 23525), (941, 20950), (1882, 10475), (2095, 9410), (4190, 4705)]