17864860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68711}}^1$

素因数の和:68733

約数の個数: 24

約数和(自身を含む): 40402656

約数和(自身を除く): 22537796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68711, 137422, 274844, 343555, 687110, 893243, 1374220, 1786486, 3572972, 4466215, 8932430, 17864860]

約数ペア:

[(1, 17864860), (2, 8932430), (4, 4466215), (5, 3572972), (10, 1786486), (13, 1374220), (20, 893243), (26, 687110), (52, 343555), (65, 274844), (130, 137422), (260, 68711)]