19001325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 38033280

約数和(自身を除く): 19031955

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2129, 2975, 6387, 8925, 10645, 14903, 31935, 36193, 44709, 53225, 74515, 108579, 159675, 180965, 223545, 253351, 372575, 542895, 760053, 904825, 1117725, 1266755, 2714475, 3800265, 6333775, 19001325]

約数ペア:

[(1, 19001325), (3, 6333775), (5, 3800265), (7, 2714475), (15, 1266755), (17, 1117725), (21, 904825), (25, 760053), (35, 542895), (51, 372575), (75, 253351), (85, 223545), (105, 180965), (119, 159675), (175, 108579), (255, 74515), (357, 53225), (425, 44709), (525, 36193), (595, 31935), (1275, 14903), (1785, 10645), (2129, 8925), (2975, 6387)]