15311718

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{11981}}^1$

素因数の和:12060

約数の個数: 24

約数和(自身を含む): 33645456

約数和(自身を除く): 18333738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 11981, 23962, 35943, 71886, 107829, 215658, 850651, 1701302, 2551953, 5103906, 7655859, 15311718]

約数ペア:

[(1, 15311718), (2, 7655859), (3, 5103906), (6, 2551953), (9, 1701302), (18, 850651), (71, 215658), (142, 107829), (213, 71886), (426, 35943), (639, 23962), (1278, 11981)]