18996363

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8087}}^1$

素因数の和:8128

約数の個数: 20

約数和(自身を含む): 29359440

約数和(自身を除く): 10363077

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8087, 24261, 72783, 218349, 234523, 655047, 703569, 2110707, 6332121, 18996363]

約数ペア:

[(1, 18996363), (3, 6332121), (9, 2110707), (27, 703569), (29, 655047), (81, 234523), (87, 218349), (261, 72783), (783, 24261), (2349, 8087)]