18311426

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2003}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 31454784

約数和(自身を除く): 13143358

約数列:

[1, 2, 7, 14, 653, 1306, 2003, 4006, 4571, 9142, 14021, 28042, 1307959, 2615918, 9155713, 18311426]

約数ペア:

[(1, 18311426), (2, 9155713), (7, 2615918), (14, 1307959), (653, 28042), (1306, 14021), (2003, 9142), (4006, 4571)]