19957146

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13147}}^1$

素因数の和:13186

約数の個数: 32

約数和(自身を含む): 45439488

約数和(自身を除く): 25482342

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13147, 26294, 39441, 78882, 144617, 289234, 302381, 433851, 604762, 867702, 907143, 1814286, 3326191, 6652382, 9978573, 19957146]

約数ペア:

[(1, 19957146), (2, 9978573), (3, 6652382), (6, 3326191), (11, 1814286), (22, 907143), (23, 867702), (33, 604762), (46, 433851), (66, 302381), (69, 289234), (138, 144617), (253, 78882), (506, 39441), (759, 26294), (1518, 13147)]