19782838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12107}}^1$

素因数の和:12171

約数の個数: 16

約数和(自身を含む): 31965120

約数和(自身を除く): 12182282

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12107, 24214, 230033, 460066, 520601, 1041202, 9891419, 19782838]

約数ペア:

[(1, 19782838), (2, 9891419), (19, 1041202), (38, 520601), (43, 460066), (86, 230033), (817, 24214), (1634, 12107)]