18917814

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 19858506

約数列:

[1, 2, 3, 6, 79, 107, 158, 214, 237, 321, 373, 474, 642, 746, 1119, 2238, 8453, 16906, 25359, 29467, 39911, 50718, 58934, 79822, 88401, 119733, 176802, 239466, 3152969, 6305938, 9458907, 18917814]

約数ペア:

[(1, 18917814), (2, 9458907), (3, 6305938), (6, 3152969), (79, 239466), (107, 176802), (158, 119733), (214, 88401), (237, 79822), (321, 58934), (373, 50718), (474, 39911), (642, 29467), (746, 25359), (1119, 16906), (2238, 8453)]