19002123

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3389}}^1$

素因数の和:3491

約数の個数: 24

約数和(自身を含む): 31730400

約数和(自身を除く): 12728277

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3389, 5607, 10167, 23723, 30501, 71169, 213507, 301621, 904863, 2111347, 2714589, 6334041, 19002123]

約数ペア:

[(1, 19002123), (3, 6334041), (7, 2714589), (9, 2111347), (21, 904863), (63, 301621), (89, 213507), (267, 71169), (623, 30501), (801, 23723), (1869, 10167), (3389, 5607)]