19678775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 27208080

約数和(自身を除く): 7529305

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2437, 8075, 12185, 41429, 46303, 60925, 207145, 231515, 787151, 1035725, 1157575, 3935755, 19678775]

約数ペア:

[(1, 19678775), (5, 3935755), (17, 1157575), (19, 1035725), (25, 787151), (85, 231515), (95, 207145), (323, 60925), (425, 46303), (475, 41429), (1615, 12185), (2437, 8075)]