19929978

素因数分解:

$2^1\times 3^2\times {\mathrm{727}}^1\times {\mathrm{1523}}^1$

素因数の和:2258

約数の個数: 24

約数和(自身を含む): 43269408

約数和(自身を除く): 23339430

約数列:

[1, 2, 3, 6, 9, 18, 727, 1454, 1523, 2181, 3046, 4362, 4569, 6543, 9138, 13086, 13707, 27414, 1107221, 2214442, 3321663, 6643326, 9964989, 19929978]

約数ペア:

[(1, 19929978), (2, 9964989), (3, 6643326), (6, 3321663), (9, 2214442), (18, 1107221), (727, 27414), (1454, 13707), (1523, 13086), (2181, 9138), (3046, 6543), (4362, 4569)]