20161508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{853}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 37302720

約数和(自身を除く): 17141212

約数列:

[1, 2, 4, 19, 38, 76, 311, 622, 853, 1244, 1706, 3412, 5909, 11818, 16207, 23636, 32414, 64828, 265283, 530566, 1061132, 5040377, 10080754, 20161508]

約数ペア:

[(1, 20161508), (2, 10080754), (4, 5040377), (19, 1061132), (38, 530566), (76, 265283), (311, 64828), (622, 32414), (853, 23636), (1244, 16207), (1706, 11818), (3412, 5909)]