18804832

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 39417840

約数和(自身を除く): 20613008

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 157, 197, 304, 314, 394, 608, 628, 788, 1256, 1576, 2512, 2983, 3152, 3743, 5024, 5966, 6304, 7486, 11932, 14972, 23864, 29944, 30929, 47728, 59888, 61858, 95456, 119776, 123716, 247432, 494864, 587651, 989728, 1175302, 2350604, 4701208, 9402416, 18804832]

約数ペア:

[(1, 18804832), (2, 9402416), (4, 4701208), (8, 2350604), (16, 1175302), (19, 989728), (32, 587651), (38, 494864), (76, 247432), (152, 123716), (157, 119776), (197, 95456), (304, 61858), (314, 59888), (394, 47728), (608, 30929), (628, 29944), (788, 23864), (1256, 14972), (1576, 11932), (2512, 7486), (2983, 6304), (3152, 5966), (3743, 5024)]