18708780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3947}}^1$

素因数の和:4038

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 34352340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 3947, 4740, 7894, 11841, 15788, 19735, 23682, 39470, 47364, 59205, 78940, 118410, 236820, 311813, 623626, 935439, 1247252, 1559065, 1870878, 3118130, 3741756, 4677195, 6236260, 9354390, 18708780]

約数ペア:

[(1, 18708780), (2, 9354390), (3, 6236260), (4, 4677195), (5, 3741756), (6, 3118130), (10, 1870878), (12, 1559065), (15, 1247252), (20, 935439), (30, 623626), (60, 311813), (79, 236820), (158, 118410), (237, 78940), (316, 59205), (395, 47364), (474, 39470), (790, 23682), (948, 19735), (1185, 15788), (1580, 11841), (2370, 7894), (3947, 4740)]