18728200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3229}}^1$

素因数の和:3274

約数の個数: 48

約数和(自身を含む): 45058500

約数和(自身を除く): 26330300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3229, 5800, 6458, 12916, 16145, 25832, 32290, 64580, 80725, 93641, 129160, 161450, 187282, 322900, 374564, 468205, 645800, 749128, 936410, 1872820, 2341025, 3745640, 4682050, 9364100, 18728200]

約数ペア:

[(1, 18728200), (2, 9364100), (4, 4682050), (5, 3745640), (8, 2341025), (10, 1872820), (20, 936410), (25, 749128), (29, 645800), (40, 468205), (50, 374564), (58, 322900), (100, 187282), (116, 161450), (145, 129160), (200, 93641), (232, 80725), (290, 64580), (580, 32290), (725, 25832), (1160, 16145), (1450, 12916), (2900, 6458), (3229, 5800)]