19744210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63691}}^1$

素因数の和:63729

約数の個数: 16

約数和(自身を含む): 36686592

約数和(自身を除く): 16942382

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 63691, 127382, 318455, 636910, 1974421, 3948842, 9872105, 19744210]

約数ペア:

[(1, 19744210), (2, 9872105), (5, 3948842), (10, 1974421), (31, 636910), (62, 318455), (155, 127382), (310, 63691)]