18136209

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 30736384

約数和(自身を除く): 12600175

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2143, 2821, 6429, 8463, 15001, 27859, 45003, 66433, 83577, 195013, 199299, 465031, 585039, 863629, 1395093, 2590887, 6045403, 18136209]

約数ペア:

[(1, 18136209), (3, 6045403), (7, 2590887), (13, 1395093), (21, 863629), (31, 585039), (39, 465031), (91, 199299), (93, 195013), (217, 83577), (273, 66433), (403, 45003), (651, 27859), (1209, 15001), (2143, 8463), (2821, 6429)]