18971199

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{54049}}^1$

素因数の和:54071

約数の個数: 16

約数和(自身を含む): 30268000

約数和(自身を除く): 11296801

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 54049, 162147, 486441, 702637, 1459323, 2107911, 6323733, 18971199]

約数ペア:

[(1, 18971199), (3, 6323733), (9, 2107911), (13, 1459323), (27, 702637), (39, 486441), (117, 162147), (351, 54049)]