18319826

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1427}}^1$

素因数の和:1574

約数の個数: 24

約数和(自身を含む): 32232816

約数和(自身を除く): 13912990

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1427, 1834, 2854, 6419, 9989, 12838, 19978, 69923, 139846, 186937, 373874, 1308559, 2617118, 9159913, 18319826]

約数ペア:

[(1, 18319826), (2, 9159913), (7, 2617118), (14, 1308559), (49, 373874), (98, 186937), (131, 139846), (262, 69923), (917, 19978), (1427, 12838), (1834, 9989), (2854, 6419)]