18613385

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 28440720

約数和(自身を除く): 9827335

約数列:

[1, 5, 7, 17, 35, 41, 49, 85, 109, 119, 205, 245, 287, 545, 595, 697, 763, 833, 1435, 1853, 2009, 3485, 3815, 4165, 4469, 4879, 5341, 9265, 10045, 12971, 22345, 24395, 26705, 31283, 34153, 64855, 75973, 90797, 156415, 170765, 218981, 379865, 453985, 531811, 1094905, 2659055, 3722677, 18613385]

約数ペア:

[(1, 18613385), (5, 3722677), (7, 2659055), (17, 1094905), (35, 531811), (41, 453985), (49, 379865), (85, 218981), (109, 170765), (119, 156415), (205, 90797), (245, 75973), (287, 64855), (545, 34153), (595, 31283), (697, 26705), (763, 24395), (833, 22345), (1435, 12971), (1853, 10045), (2009, 9265), (3485, 5341), (3815, 4879), (4165, 4469)]