18091420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47609}}^1$

素因数の和:47637

約数の個数: 24

約数和(自身を含む): 39992400

約数和(自身を除く): 21900980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47609, 95218, 190436, 238045, 476090, 904571, 952180, 1809142, 3618284, 4522855, 9045710, 18091420]

約数ペア:

[(1, 18091420), (2, 9045710), (4, 4522855), (5, 3618284), (10, 1809142), (19, 952180), (20, 904571), (38, 476090), (76, 238045), (95, 190436), (190, 95218), (380, 47609)]