18323456

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 38329200

約数和(自身を除く): 20005744

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 389, 512, 736, 778, 1024, 1472, 1556, 2048, 2944, 3112, 5888, 6224, 8947, 11776, 12448, 17894, 23552, 24896, 35788, 47104, 49792, 71576, 99584, 143152, 199168, 286304, 398336, 572608, 796672, 1145216, 2290432, 4580864, 9161728, 18323456]

約数ペア:

[(1, 18323456), (2, 9161728), (4, 4580864), (8, 2290432), (16, 1145216), (23, 796672), (32, 572608), (46, 398336), (64, 286304), (92, 199168), (128, 143152), (184, 99584), (256, 71576), (368, 49792), (389, 47104), (512, 35788), (736, 24896), (778, 23552), (1024, 17894), (1472, 12448), (1556, 11776), (2048, 8947), (2944, 6224), (3112, 5888)]