18318885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 32430720

約数和(自身を除く): 14111835

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2539, 7215, 7617, 12695, 33007, 38085, 93943, 99021, 165035, 281829, 469715, 495105, 1221259, 1409145, 3663777, 6106295, 18318885]

約数ペア:

[(1, 18318885), (3, 6106295), (5, 3663777), (13, 1409145), (15, 1221259), (37, 495105), (39, 469715), (65, 281829), (111, 165035), (185, 99021), (195, 93943), (481, 38085), (555, 33007), (1443, 12695), (2405, 7617), (2539, 7215)]