19391751

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5167}}^1$

素因数の和:5315

約数の個数: 16

約数和(自身を含む): 28940800

約数和(自身を除く): 9549049

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5167, 15501, 46503, 139509, 718213, 2154639, 6463917, 19391751]

約数ペア:

[(1, 19391751), (3, 6463917), (9, 2154639), (27, 718213), (139, 139509), (417, 46503), (1251, 15501), (3753, 5167)]