19451760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81049}}^1$

素因数の和:81065

約数の個数: 40

約数和(自身を含む): 60301200

約数和(自身を除く): 40849440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81049, 162098, 243147, 324196, 405245, 486294, 648392, 810490, 972588, 1215735, 1296784, 1620980, 1945176, 2431470, 3241960, 3890352, 4862940, 6483920, 9725880, 19451760]

約数ペア:

[(1, 19451760), (2, 9725880), (3, 6483920), (4, 4862940), (5, 3890352), (6, 3241960), (8, 2431470), (10, 1945176), (12, 1620980), (15, 1296784), (16, 1215735), (20, 972588), (24, 810490), (30, 648392), (40, 486294), (48, 405245), (60, 324196), (80, 243147), (120, 162098), (240, 81049)]