18872538

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{12239}}^1$

素因数の和:12501

約数の個数: 16

約数和(自身を含む): 37895040

約数和(自身を除く): 19022502

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 12239, 24478, 36717, 73434, 3145423, 6290846, 9436269, 18872538]

約数ペア:

[(1, 18872538), (2, 9436269), (3, 6290846), (6, 3145423), (257, 73434), (514, 36717), (771, 24478), (1542, 12239)]