19983735

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1237}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 34763040

約数和(自身を除く): 14779305

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1237, 1795, 3231, 3711, 5385, 6185, 11133, 16155, 18555, 55665, 444083, 1332249, 2220415, 3996747, 6661245, 19983735]

約数ペア:

[(1, 19983735), (3, 6661245), (5, 3996747), (9, 2220415), (15, 1332249), (45, 444083), (359, 55665), (1077, 18555), (1237, 16155), (1795, 11133), (3231, 6185), (3711, 5385)]