18611628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{221567}}^1$

素因数の和:221581

約数の個数: 24

約数和(自身を含む): 49631232

約数和(自身を除く): 31019604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 221567, 443134, 664701, 886268, 1329402, 1550969, 2658804, 3101938, 4652907, 6203876, 9305814, 18611628]

約数ペア:

[(1, 18611628), (2, 9305814), (3, 6203876), (4, 4652907), (6, 3101938), (7, 2658804), (12, 1550969), (14, 1329402), (21, 886268), (28, 664701), (42, 443134), (84, 221567)]