18172208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 60

約数和(自身を含む): 39086040

約数和(自身を除く): 20913832

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 113, 152, 184, 226, 304, 368, 437, 452, 529, 874, 904, 1058, 1748, 1808, 2116, 2147, 2599, 3496, 4232, 4294, 5198, 6992, 8464, 8588, 10051, 10396, 17176, 20102, 20792, 34352, 40204, 41584, 49381, 59777, 80408, 98762, 119554, 160816, 197524, 239108, 395048, 478216, 790096, 956432, 1135763, 2271526, 4543052, 9086104, 18172208]

約数ペア:

[(1, 18172208), (2, 9086104), (4, 4543052), (8, 2271526), (16, 1135763), (19, 956432), (23, 790096), (38, 478216), (46, 395048), (76, 239108), (92, 197524), (113, 160816), (152, 119554), (184, 98762), (226, 80408), (304, 59777), (368, 49381), (437, 41584), (452, 40204), (529, 34352), (874, 20792), (904, 20102), (1058, 17176), (1748, 10396), (1808, 10051), (2116, 8588), (2147, 8464), (2599, 6992), (3496, 5198), (4232, 4294)]