18566192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 38204400

約数和(自身を除く): 19638208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 389, 628, 778, 1256, 1556, 2512, 2983, 3112, 5966, 6224, 7391, 11932, 14782, 23864, 29564, 47728, 59128, 61073, 118256, 122146, 244292, 488584, 977168, 1160387, 2320774, 4641548, 9283096, 18566192]

約数ペア:

[(1, 18566192), (2, 9283096), (4, 4641548), (8, 2320774), (16, 1160387), (19, 977168), (38, 488584), (76, 244292), (152, 122146), (157, 118256), (304, 61073), (314, 59128), (389, 47728), (628, 29564), (778, 23864), (1256, 14782), (1556, 11932), (2512, 7391), (2983, 6224), (3112, 5966)]