18710320

素因数分解:

$2^4\times 5^1\times {\mathrm{233879}}^1$

素因数の和:233892

約数の個数: 20

約数和(自身を含む): 43501680

約数和(自身を除く): 24791360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233879, 467758, 935516, 1169395, 1871032, 2338790, 3742064, 4677580, 9355160, 18710320]

約数ペア:

[(1, 18710320), (2, 9355160), (4, 4677580), (5, 3742064), (8, 2338790), (10, 1871032), (16, 1169395), (20, 935516), (40, 467758), (80, 233879)]