18309910

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 33942240

約数和(自身を除く): 15632330

約数列:

[1, 2, 5, 10, 53, 106, 179, 193, 265, 358, 386, 530, 895, 965, 1790, 1930, 9487, 10229, 18974, 20458, 34547, 47435, 51145, 69094, 94870, 102290, 172735, 345470, 1830991, 3661982, 9154955, 18309910]

約数ペア:

[(1, 18309910), (2, 9154955), (5, 3661982), (10, 1830991), (53, 345470), (106, 172735), (179, 102290), (193, 94870), (265, 69094), (358, 51145), (386, 47435), (530, 34547), (895, 20458), (965, 18974), (1790, 10229), (1930, 9487)]