19802823

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 7153977

約数列:

[1, 3, 71, 213, 239, 389, 717, 1167, 16969, 27619, 50907, 82857, 92971, 278913, 6600941, 19802823]

約数ペア:

[(1, 19802823), (3, 6600941), (71, 278913), (213, 92971), (239, 82857), (389, 50907), (717, 27619), (1167, 16969)]