19669851

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{7213}}^1$

素因数の和:7323

約数の個数: 16

約数和(自身を含む): 29433120

約数和(自身を除く): 9763269

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 7213, 21639, 64917, 194751, 728513, 2185539, 6556617, 19669851]

約数ペア:

[(1, 19669851), (3, 6556617), (9, 2185539), (27, 728513), (101, 194751), (303, 64917), (909, 21639), (2727, 7213)]