20182408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 41806800

約数和(自身を除く): 21624392

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 251, 437, 502, 529, 874, 1004, 1058, 1748, 2008, 2116, 3496, 4232, 4769, 5773, 9538, 10051, 11546, 19076, 20102, 23092, 38152, 40204, 46184, 80408, 109687, 132779, 219374, 265558, 438748, 531116, 877496, 1062232, 2522801, 5045602, 10091204, 20182408]

約数ペア:

[(1, 20182408), (2, 10091204), (4, 5045602), (8, 2522801), (19, 1062232), (23, 877496), (38, 531116), (46, 438748), (76, 265558), (92, 219374), (152, 132779), (184, 109687), (251, 80408), (437, 46184), (502, 40204), (529, 38152), (874, 23092), (1004, 20102), (1058, 19076), (1748, 11546), (2008, 10051), (2116, 9538), (3496, 5773), (4232, 4769)]