19195317

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1973}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 29562624

約数和(自身を除く): 10367307

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1973, 3243, 5919, 9729, 17757, 45379, 92731, 136137, 278193, 408411, 834579, 2132813, 6398439, 19195317]

約数ペア:

[(1, 19195317), (3, 6398439), (9, 2132813), (23, 834579), (47, 408411), (69, 278193), (141, 136137), (207, 92731), (423, 45379), (1081, 17757), (1973, 9729), (3243, 5919)]