19307565

素因数分解:

$3^6\times 5^1\times {\mathrm{5297}}^1$

素因数の和:5320

約数の個数: 28

約数和(自身を含む): 34744284

約数和(自身を除く): 15436719

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5297, 15891, 26485, 47673, 79455, 143019, 238365, 429057, 715095, 1287171, 2145285, 3861513, 6435855, 19307565]

約数ペア:

[(1, 19307565), (3, 6435855), (5, 3861513), (9, 2145285), (15, 1287171), (27, 715095), (45, 429057), (81, 238365), (135, 143019), (243, 79455), (405, 47673), (729, 26485), (1215, 15891), (3645, 5297)]