18988095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1301}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 16009665

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1301, 2085, 2919, 3903, 4865, 6505, 9107, 14595, 19515, 27321, 45535, 136605, 180839, 542517, 904195, 1265873, 2712585, 3797619, 6329365, 18988095]

約数ペア:

[(1, 18988095), (3, 6329365), (5, 3797619), (7, 2712585), (15, 1265873), (21, 904195), (35, 542517), (105, 180839), (139, 136605), (417, 45535), (695, 27321), (973, 19515), (1301, 14595), (2085, 9107), (2919, 6505), (3903, 4865)]