19880924

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30871}}^1$

素因数の和:30905

約数の個数: 24

約数和(自身を含む): 41491968

約数和(自身を除く): 21611044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 30871, 61742, 123484, 216097, 432194, 710033, 864388, 1420066, 2840132, 4970231, 9940462, 19880924]

約数ペア:

[(1, 19880924), (2, 9940462), (4, 4970231), (7, 2840132), (14, 1420066), (23, 864388), (28, 710033), (46, 432194), (92, 216097), (161, 123484), (322, 61742), (644, 30871)]