18889532

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 35303520

約数和(自身を除く): 16413988

約数列:

[1, 2, 4, 23, 46, 79, 92, 113, 158, 226, 316, 452, 529, 1058, 1817, 2116, 2599, 3634, 5198, 7268, 8927, 10396, 17854, 35708, 41791, 59777, 83582, 119554, 167164, 205321, 239108, 410642, 821284, 4722383, 9444766, 18889532]

約数ペア:

[(1, 18889532), (2, 9444766), (4, 4722383), (23, 821284), (46, 410642), (79, 239108), (92, 205321), (113, 167164), (158, 119554), (226, 83582), (316, 59777), (452, 41791), (529, 35708), (1058, 17854), (1817, 10396), (2116, 8927), (2599, 7268), (3634, 5198)]