2187736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 4446000

約数和(自身を除く): 2258264

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 389, 703, 778, 1406, 1556, 2812, 3112, 5624, 7391, 14393, 14782, 28786, 29564, 57572, 59128, 115144, 273467, 546934, 1093868, 2187736]

約数ペア:

[(1, 2187736), (2, 1093868), (4, 546934), (8, 273467), (19, 115144), (37, 59128), (38, 57572), (74, 29564), (76, 28786), (148, 14782), (152, 14393), (296, 7391), (389, 5624), (703, 3112), (778, 2812), (1406, 1556)]