19242020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137443}}^1$

素因数の和:137459

約数の個数: 24

約数和(自身を含む): 46181184

約数和(自身を除く): 26939164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137443, 274886, 549772, 687215, 962101, 1374430, 1924202, 2748860, 3848404, 4810505, 9621010, 19242020]

約数ペア:

[(1, 19242020), (2, 9621010), (4, 4810505), (5, 3848404), (7, 2748860), (10, 1924202), (14, 1374430), (20, 962101), (28, 687215), (35, 549772), (70, 274886), (140, 137443)]