18223216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2269

約数の個数: 40

約数和(自身を含む): 39354624

約数和(自身を除く): 21131408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2203, 4136, 4406, 8272, 8812, 17624, 24233, 35248, 48466, 96932, 103541, 193864, 207082, 387728, 414164, 828328, 1138951, 1656656, 2277902, 4555804, 9111608, 18223216]

約数ペア:

[(1, 18223216), (2, 9111608), (4, 4555804), (8, 2277902), (11, 1656656), (16, 1138951), (22, 828328), (44, 414164), (47, 387728), (88, 207082), (94, 193864), (176, 103541), (188, 96932), (376, 48466), (517, 35248), (752, 24233), (1034, 17624), (2068, 8812), (2203, 8272), (4136, 4406)]