19935909

素因数分解:

$3^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 33962240

約数和(自身を除く): 14026331

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 313, 337, 939, 1011, 2191, 2359, 2817, 3033, 6573, 7077, 8451, 9099, 19719, 21231, 59157, 63693, 105481, 316443, 738367, 949329, 2215101, 2847987, 6645303, 19935909]

約数ペア:

[(1, 19935909), (3, 6645303), (7, 2847987), (9, 2215101), (21, 949329), (27, 738367), (63, 316443), (189, 105481), (313, 63693), (337, 59157), (939, 21231), (1011, 19719), (2191, 9099), (2359, 8451), (2817, 7077), (3033, 6573)]