18535838

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9371}}^1$

素因数の和:9439

約数の個数: 16

約数和(自身を含む): 29690496

約数和(自身を除く): 11154658

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9371, 18742, 215533, 402953, 431066, 805906, 9267919, 18535838]

約数ペア:

[(1, 18535838), (2, 9267919), (23, 805906), (43, 431066), (46, 402953), (86, 215533), (989, 18742), (1978, 9371)]