18356037

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 28662336

約数和(自身を除く): 10306299

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 647, 1351, 1941, 4053, 4529, 9457, 13587, 28371, 31703, 95109, 124871, 374613, 874097, 2622291, 6118679, 18356037]

約数ペア:

[(1, 18356037), (3, 6118679), (7, 2622291), (21, 874097), (49, 374613), (147, 124871), (193, 95109), (579, 31703), (647, 28371), (1351, 13587), (1941, 9457), (4053, 4529)]