18279824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 37616640

約数和(自身を除く): 19336816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 383, 628, 766, 1256, 1532, 2512, 2983, 3064, 5966, 6128, 7277, 11932, 14554, 23864, 29108, 47728, 58216, 60131, 116432, 120262, 240524, 481048, 962096, 1142489, 2284978, 4569956, 9139912, 18279824]

約数ペア:

[(1, 18279824), (2, 9139912), (4, 4569956), (8, 2284978), (16, 1142489), (19, 962096), (38, 481048), (76, 240524), (152, 120262), (157, 116432), (304, 60131), (314, 58216), (383, 47728), (628, 29108), (766, 23864), (1256, 14554), (1532, 11932), (2512, 7277), (2983, 6128), (3064, 5966)]