18103995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4452

約数の個数: 48

約数和(自身を含む): 38630592

約数和(自身を除く): 20526597

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4421, 13263, 22105, 30947, 39789, 57473, 66315, 92841, 154735, 172419, 198945, 278523, 287365, 402311, 464205, 517257, 862095, 1206933, 1392615, 2011555, 2586285, 3620799, 6034665, 18103995]

約数ペア:

[(1, 18103995), (3, 6034665), (5, 3620799), (7, 2586285), (9, 2011555), (13, 1392615), (15, 1206933), (21, 862095), (35, 517257), (39, 464205), (45, 402311), (63, 287365), (65, 278523), (91, 198945), (105, 172419), (117, 154735), (195, 92841), (273, 66315), (315, 57473), (455, 39789), (585, 30947), (819, 22105), (1365, 13263), (4095, 4421)]