18158463

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 26915616

約数和(自身を除く): 8757153

約数列:

[1, 3, 9, 71, 157, 181, 213, 471, 543, 639, 1413, 1629, 11147, 12851, 28417, 33441, 38553, 85251, 100323, 115659, 255753, 2017607, 6052821, 18158463]

約数ペア:

[(1, 18158463), (3, 6052821), (9, 2017607), (71, 255753), (157, 115659), (181, 100323), (213, 85251), (471, 38553), (543, 33441), (639, 28417), (1413, 12851), (1629, 11147)]