18976560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2190

約数の個数: 80

約数和(自身を含む): 60445536

約数和(自身を除く): 41468976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2137, 2220, 2960, 4274, 4440, 6411, 8548, 8880, 10685, 12822, 17096, 21370, 25644, 32055, 34192, 42740, 51288, 64110, 79069, 85480, 102576, 128220, 158138, 170960, 237207, 256440, 316276, 395345, 474414, 512880, 632552, 790690, 948828, 1186035, 1265104, 1581380, 1897656, 2372070, 3162760, 3795312, 4744140, 6325520, 9488280, 18976560]

約数ペア:

[(1, 18976560), (2, 9488280), (3, 6325520), (4, 4744140), (5, 3795312), (6, 3162760), (8, 2372070), (10, 1897656), (12, 1581380), (15, 1265104), (16, 1186035), (20, 948828), (24, 790690), (30, 632552), (37, 512880), (40, 474414), (48, 395345), (60, 316276), (74, 256440), (80, 237207), (111, 170960), (120, 158138), (148, 128220), (185, 102576), (222, 85480), (240, 79069), (296, 64110), (370, 51288), (444, 42740), (555, 34192), (592, 32055), (740, 25644), (888, 21370), (1110, 17096), (1480, 12822), (1776, 10685), (2137, 8880), (2220, 8548), (2960, 6411), (4274, 4440)]