18167125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 24261120

約数和(自身を除く): 6093995

約数列:

[1, 5, 23, 25, 71, 89, 115, 125, 355, 445, 575, 1633, 1775, 2047, 2225, 2875, 6319, 8165, 8875, 10235, 11125, 31595, 40825, 51175, 145337, 157975, 204125, 255875, 726685, 789875, 3633425, 18167125]

約数ペア:

[(1, 18167125), (5, 3633425), (23, 789875), (25, 726685), (71, 255875), (89, 204125), (115, 157975), (125, 145337), (355, 51175), (445, 40825), (575, 31595), (1633, 11125), (1775, 10235), (2047, 8875), (2225, 8165), (2875, 6319)]