19717203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4561}}^1$

素因数の和:4706

約数の個数: 16

約数和(自身を含む): 28904832

約数和(自身を除く): 9187629

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4561, 13683, 50171, 150513, 597491, 1792473, 6572401, 19717203]

約数ペア:

[(1, 19717203), (3, 6572401), (11, 1792473), (33, 597491), (131, 150513), (393, 50171), (1441, 13683), (4323, 4561)]