19788716

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 35516880

約数和(自身を除く): 15728164

約数列:

[1, 2, 4, 53, 106, 212, 269, 347, 538, 694, 1076, 1388, 14257, 18391, 28514, 36782, 57028, 73564, 93343, 186686, 373372, 4947179, 9894358, 19788716]

約数ペア:

[(1, 19788716), (2, 9894358), (4, 4947179), (53, 373372), (106, 186686), (212, 93343), (269, 73564), (347, 57028), (538, 36782), (694, 28514), (1076, 18391), (1388, 14257)]