18333800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 44551650

約数和(自身を除く): 26217850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 109, 116, 145, 200, 218, 232, 290, 436, 545, 580, 725, 841, 872, 1090, 1160, 1450, 1682, 2180, 2725, 2900, 3161, 3364, 4205, 4360, 5450, 5800, 6322, 6728, 8410, 10900, 12644, 15805, 16820, 21025, 21800, 25288, 31610, 33640, 42050, 63220, 79025, 84100, 91669, 126440, 158050, 168200, 183338, 316100, 366676, 458345, 632200, 733352, 916690, 1833380, 2291725, 3666760, 4583450, 9166900, 18333800]

約数ペア:

[(1, 18333800), (2, 9166900), (4, 4583450), (5, 3666760), (8, 2291725), (10, 1833380), (20, 916690), (25, 733352), (29, 632200), (40, 458345), (50, 366676), (58, 316100), (100, 183338), (109, 168200), (116, 158050), (145, 126440), (200, 91669), (218, 84100), (232, 79025), (290, 63220), (436, 42050), (545, 33640), (580, 31610), (725, 25288), (841, 21800), (872, 21025), (1090, 16820), (1160, 15805), (1450, 12644), (1682, 10900), (2180, 8410), (2725, 6728), (2900, 6322), (3161, 5800), (3364, 5450), (4205, 4360)]