18068869

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 5639291

約数列:

[1, 7, 13, 23, 89, 91, 97, 161, 299, 623, 679, 1157, 1261, 2047, 2093, 2231, 8099, 8633, 8827, 14329, 15617, 26611, 29003, 60431, 112229, 186277, 198559, 203021, 785603, 1389913, 2581267, 18068869]

約数ペア:

[(1, 18068869), (7, 2581267), (13, 1389913), (23, 785603), (89, 203021), (91, 198559), (97, 186277), (161, 112229), (299, 60431), (623, 29003), (679, 26611), (1157, 15617), (1261, 14329), (2047, 8827), (2093, 8633), (2231, 8099)]