19181316357

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1341257}}^1$

素因数の和:1341497

約数の個数: 24

約数和(自身を含む): 31803909696

約数和(自身を除く): 12622593339

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 14301, 1341257, 4023771, 9388799, 12071313, 28166397, 84499191, 304465339, 913396017, 2131257373, 2740188051, 6393772119, 19181316357]

約数ペア:

[(1, 19181316357), (3, 6393772119), (7, 2740188051), (9, 2131257373), (21, 913396017), (63, 304465339), (227, 84499191), (681, 28166397), (1589, 12071313), (2043, 9388799), (4767, 4023771), (14301, 1341257)]