18268523

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 24393600

約数和(自身を除く): 6125077

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 241, 343, 637, 833, 1547, 1687, 3133, 4097, 4459, 5831, 10829, 11809, 21931, 28679, 53261, 75803, 82663, 153517, 200753, 372827, 1074619, 1405271, 2609789, 18268523]

約数ペア:

[(1, 18268523), (7, 2609789), (13, 1405271), (17, 1074619), (49, 372827), (91, 200753), (119, 153517), (221, 82663), (241, 75803), (343, 53261), (637, 28679), (833, 21931), (1547, 11809), (1687, 10829), (3133, 5831), (4097, 4459)]