18724350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2961

約数の個数: 48

約数和(自身を含む): 47532672

約数和(自身を除く): 28808322

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 2903, 3225, 5806, 6450, 8709, 14515, 17418, 29030, 43545, 72575, 87090, 124829, 145150, 217725, 249658, 374487, 435450, 624145, 748974, 1248290, 1872435, 3120725, 3744870, 6241450, 9362175, 18724350]

約数ペア:

[(1, 18724350), (2, 9362175), (3, 6241450), (5, 3744870), (6, 3120725), (10, 1872435), (15, 1248290), (25, 748974), (30, 624145), (43, 435450), (50, 374487), (75, 249658), (86, 217725), (129, 145150), (150, 124829), (215, 87090), (258, 72575), (430, 43545), (645, 29030), (1075, 17418), (1290, 14515), (2150, 8709), (2903, 6450), (3225, 5806)]