19565725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2423}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 27051840

約数和(自身を除く): 7486115

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2423, 8075, 12115, 41191, 46037, 60575, 205955, 230185, 782629, 1029775, 1150925, 3913145, 19565725]

約数ペア:

[(1, 19565725), (5, 3913145), (17, 1150925), (19, 1029775), (25, 782629), (85, 230185), (95, 205955), (323, 60575), (425, 46037), (475, 41191), (1615, 12115), (2423, 8075)]