18088900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3413}}^1$

素因数の和:3480

約数の個数: 36

約数和(自身を含む): 40005252

約数和(自身を除く): 21916352

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3413, 5300, 6826, 13652, 17065, 34130, 68260, 85325, 170650, 180889, 341300, 361778, 723556, 904445, 1808890, 3617780, 4522225, 9044450, 18088900]

約数ペア:

[(1, 18088900), (2, 9044450), (4, 4522225), (5, 3617780), (10, 1808890), (20, 904445), (25, 723556), (50, 361778), (53, 341300), (100, 180889), (106, 170650), (212, 85325), (265, 68260), (530, 34130), (1060, 17065), (1325, 13652), (2650, 6826), (3413, 5300)]