19495647

素因数分解:

$3^6\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:634

約数の個数: 28

約数和(自身を含む): 29904480

約数和(自身を除く): 10408833

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 569, 729, 1269, 1707, 3807, 5121, 11421, 15363, 26743, 34263, 46089, 80229, 138267, 240687, 414801, 722061, 2166183, 6498549, 19495647]

約数ペア:

[(1, 19495647), (3, 6498549), (9, 2166183), (27, 722061), (47, 414801), (81, 240687), (141, 138267), (243, 80229), (423, 46089), (569, 34263), (729, 26743), (1269, 15363), (1707, 11421), (3807, 5121)]