19932978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255551}}^1$

素因数の和:255569

約数の個数: 16

約数和(自身を含む): 42932736

約数和(自身を除く): 22999758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255551, 511102, 766653, 1533306, 3322163, 6644326, 9966489, 19932978]

約数ペア:

[(1, 19932978), (2, 9966489), (3, 6644326), (6, 3322163), (13, 1533306), (26, 766653), (39, 511102), (78, 255551)]