18219786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2143}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 39621120

約数和(自身を除く): 21401334

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2143, 2834, 4251, 4286, 6429, 8502, 12858, 27859, 55718, 83577, 167154, 233587, 467174, 700761, 1401522, 3036631, 6073262, 9109893, 18219786]

約数ペア:

[(1, 18219786), (2, 9109893), (3, 6073262), (6, 3036631), (13, 1401522), (26, 700761), (39, 467174), (78, 233587), (109, 167154), (218, 83577), (327, 55718), (654, 27859), (1417, 12858), (2143, 8502), (2834, 6429), (4251, 4286)]