11981142

素因数分解:

$2^1\times 3^3\times {\mathrm{221873}}^1$

素因数の和:221884

約数の個数: 16

約数和(自身を含む): 26624880

約数和(自身を除く): 14643738

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 221873, 443746, 665619, 1331238, 1996857, 3993714, 5990571, 11981142]

約数ペア:

[(1, 11981142), (2, 5990571), (3, 3993714), (6, 1996857), (9, 1331238), (18, 665619), (27, 443746), (54, 221873)]