18909740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32603}}^1$

素因数の和:32641

約数の個数: 24

約数和(自身を含む): 41081040

約数和(自身を除く): 22171300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32603, 65206, 130412, 163015, 326030, 652060, 945487, 1890974, 3781948, 4727435, 9454870, 18909740]

約数ペア:

[(1, 18909740), (2, 9454870), (4, 4727435), (5, 3781948), (10, 1890974), (20, 945487), (29, 652060), (58, 326030), (116, 163015), (145, 130412), (290, 65206), (580, 32603)]