18634360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2341}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 42156000

約数和(自身を除く): 23521640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2341, 3980, 4682, 7960, 9364, 11705, 18728, 23410, 46820, 93640, 465859, 931718, 1863436, 2329295, 3726872, 4658590, 9317180, 18634360]

約数ペア:

[(1, 18634360), (2, 9317180), (4, 4658590), (5, 3726872), (8, 2329295), (10, 1863436), (20, 931718), (40, 465859), (199, 93640), (398, 46820), (796, 23410), (995, 18728), (1592, 11705), (1990, 9364), (2341, 7960), (3980, 4682)]