19487923

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9311}}^1$

素因数の和:9354

約数の個数: 16

約数和(自身を含む): 25030656

約数和(自身を除く): 5542733

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9311, 65177, 121043, 214153, 847301, 1499071, 2783989, 19487923]

約数ペア:

[(1, 19487923), (7, 2783989), (13, 1499071), (23, 847301), (91, 214153), (161, 121043), (299, 65177), (2093, 9311)]