18159260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 43921920

約数和(自身を除く): 25762660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 859, 1057, 1510, 1718, 2114, 3020, 3436, 4228, 4295, 5285, 6013, 8590, 10570, 12026, 17180, 21140, 24052, 30065, 60130, 120260, 129709, 259418, 518836, 648545, 907963, 1297090, 1815926, 2594180, 3631852, 4539815, 9079630, 18159260]

約数ペア:

[(1, 18159260), (2, 9079630), (4, 4539815), (5, 3631852), (7, 2594180), (10, 1815926), (14, 1297090), (20, 907963), (28, 648545), (35, 518836), (70, 259418), (140, 129709), (151, 120260), (302, 60130), (604, 30065), (755, 24052), (859, 21140), (1057, 17180), (1510, 12026), (1718, 10570), (2114, 8590), (3020, 6013), (3436, 5285), (4228, 4295)]