18669380

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3719}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 20703100

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 3719, 5020, 7438, 14876, 18595, 37190, 74380, 933469, 1866938, 3733876, 4667345, 9334690, 18669380]

約数ペア:

[(1, 18669380), (2, 9334690), (4, 4667345), (5, 3733876), (10, 1866938), (20, 933469), (251, 74380), (502, 37190), (1004, 18595), (1255, 14876), (2510, 7438), (3719, 5020)]