19088780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23279}}^1$

素因数の和:23329

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 21977140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23279, 46558, 93116, 116395, 232790, 465580, 954439, 1908878, 3817756, 4772195, 9544390, 19088780]

約数ペア:

[(1, 19088780), (2, 9544390), (4, 4772195), (5, 3817756), (10, 1908878), (20, 954439), (41, 465580), (82, 232790), (164, 116395), (205, 93116), (410, 46558), (820, 23279)]