27307180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71861}}^1$

素因数の和:71889

約数の個数: 24

約数和(自身を含む): 60364080

約数和(自身を除く): 33056900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 71861, 143722, 287444, 359305, 718610, 1365359, 1437220, 2730718, 5461436, 6826795, 13653590, 27307180]

約数ペア:

[(1, 27307180), (2, 13653590), (4, 6826795), (5, 5461436), (10, 2730718), (19, 1437220), (20, 1365359), (38, 718610), (76, 359305), (95, 287444), (190, 143722), (380, 71861)]