18639642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5347}}^1$

素因数の和:5442

約数の個数: 32

約数和(自身を含む): 43126272

約数和(自身を除く): 24486630

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 5347, 10694, 16041, 32082, 37429, 74858, 112287, 224574, 443801, 887602, 1331403, 2662806, 3106607, 6213214, 9319821, 18639642]

約数ペア:

[(1, 18639642), (2, 9319821), (3, 6213214), (6, 3106607), (7, 2662806), (14, 1331403), (21, 887602), (42, 443801), (83, 224574), (166, 112287), (249, 74858), (498, 37429), (581, 32082), (1162, 16041), (1743, 10694), (3486, 5347)]