19451280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81047}}^1$

素因数の和:81063

約数の個数: 40

約数和(自身を含む): 60299712

約数和(自身を除く): 40848432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81047, 162094, 243141, 324188, 405235, 486282, 648376, 810470, 972564, 1215705, 1296752, 1620940, 1945128, 2431410, 3241880, 3890256, 4862820, 6483760, 9725640, 19451280]

約数ペア:

[(1, 19451280), (2, 9725640), (3, 6483760), (4, 4862820), (5, 3890256), (6, 3241880), (8, 2431410), (10, 1945128), (12, 1620940), (15, 1296752), (16, 1215705), (20, 972564), (24, 810470), (30, 648376), (40, 486282), (48, 405235), (60, 324188), (80, 243141), (120, 162094), (240, 81047)]