19963116

素因数分解:

$2^2\times 3^2\times {\mathrm{554531}}^1$

素因数の和:554541

約数の個数: 18

約数和(自身を含む): 50462412

約数和(自身を除く): 30499296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554531, 1109062, 1663593, 2218124, 3327186, 4990779, 6654372, 9981558, 19963116]

約数ペア:

[(1, 19963116), (2, 9981558), (3, 6654372), (4, 4990779), (6, 3327186), (9, 2218124), (12, 1663593), (18, 1109062), (36, 554531)]