18804044

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:702

約数の個数: 36

約数和(自身を含む): 38552976

約数和(自身を除く): 19748932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 487, 788, 974, 1379, 1948, 2758, 3409, 5516, 6818, 9653, 13636, 19306, 23863, 38612, 47726, 95452, 95939, 191878, 383756, 671573, 1343146, 2686292, 4701011, 9402022, 18804044]

約数ペア:

[(1, 18804044), (2, 9402022), (4, 4701011), (7, 2686292), (14, 1343146), (28, 671573), (49, 383756), (98, 191878), (196, 95939), (197, 95452), (394, 47726), (487, 38612), (788, 23863), (974, 19306), (1379, 13636), (1948, 9653), (2758, 6818), (3409, 5516)]