18578980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132707}}^1$

素因数の和:132723

約数の個数: 24

約数和(自身を含む): 44589888

約数和(自身を除く): 26010908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132707, 265414, 530828, 663535, 928949, 1327070, 1857898, 2654140, 3715796, 4644745, 9289490, 18578980]

約数ペア:

[(1, 18578980), (2, 9289490), (4, 4644745), (5, 3715796), (7, 2654140), (10, 1857898), (14, 1327070), (20, 928949), (28, 663535), (35, 530828), (70, 265414), (140, 132707)]