18320385

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 30228480

約数和(自身を除く): 11908095

約数列:

[1, 3, 5, 15, 59, 127, 163, 177, 295, 381, 489, 635, 815, 885, 1905, 2445, 7493, 9617, 20701, 22479, 28851, 37465, 48085, 62103, 103505, 112395, 144255, 310515, 1221359, 3664077, 6106795, 18320385]

約数ペア:

[(1, 18320385), (3, 6106795), (5, 3664077), (15, 1221359), (59, 310515), (127, 144255), (163, 112395), (177, 103505), (295, 62103), (381, 48085), (489, 37465), (635, 28851), (815, 22479), (885, 20701), (1905, 9617), (2445, 7493)]