18994647

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10163}}^1$

素因数の和:10262

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 10277673

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10163, 30489, 71141, 213423, 904507, 2713521, 6331549, 18994647]

約数ペア:

[(1, 18994647), (3, 6331549), (7, 2713521), (21, 904507), (89, 213423), (267, 71141), (623, 30489), (1869, 10163)]