19341747

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2683}}^1$

素因数の和:2784

約数の個数: 20

約数和(自身を含む): 29228760

約数和(自身を除く): 9887013

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2683, 7209, 8049, 24147, 72441, 217323, 238787, 716361, 2149083, 6447249, 19341747]

約数ペア:

[(1, 19341747), (3, 6447249), (9, 2149083), (27, 716361), (81, 238787), (89, 217323), (267, 72441), (801, 24147), (2403, 8049), (2683, 7209)]