12691818

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{9931}}^1$

素因数の和:10010

約数の個数: 24

約数和(自身を含む): 27889056

約数和(自身を除く): 15197238

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 9931, 19862, 29793, 59586, 89379, 178758, 705101, 1410202, 2115303, 4230606, 6345909, 12691818]

約数ペア:

[(1, 12691818), (2, 6345909), (3, 4230606), (6, 2115303), (9, 1410202), (18, 705101), (71, 178758), (142, 89379), (213, 59586), (426, 29793), (639, 19862), (1278, 9931)]