19973404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1217}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 38264688

約数和(自身を除く): 18291284

約数列:

[1, 2, 4, 11, 22, 44, 373, 746, 1217, 1492, 2434, 4103, 4868, 8206, 13387, 16412, 26774, 53548, 453941, 907882, 1815764, 4993351, 9986702, 19973404]

約数ペア:

[(1, 19973404), (2, 9986702), (4, 4993351), (11, 1815764), (22, 907882), (44, 453941), (373, 53548), (746, 26774), (1217, 16412), (1492, 13387), (2434, 8206), (4103, 4868)]