19844880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7517}}^1$

素因数の和:7544

約数の個数: 80

約数和(自身を含む): 67120704

約数和(自身を除く): 47275824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7517, 15034, 22551, 30068, 37585, 45102, 60136, 75170, 82687, 90204, 112755, 120272, 150340, 165374, 180408, 225510, 248061, 300680, 330748, 360816, 413435, 451020, 496122, 601360, 661496, 826870, 902040, 992244, 1240305, 1322992, 1653740, 1804080, 1984488, 2480610, 3307480, 3968976, 4961220, 6614960, 9922440, 19844880]

約数ペア:

[(1, 19844880), (2, 9922440), (3, 6614960), (4, 4961220), (5, 3968976), (6, 3307480), (8, 2480610), (10, 1984488), (11, 1804080), (12, 1653740), (15, 1322992), (16, 1240305), (20, 992244), (22, 902040), (24, 826870), (30, 661496), (33, 601360), (40, 496122), (44, 451020), (48, 413435), (55, 360816), (60, 330748), (66, 300680), (80, 248061), (88, 225510), (110, 180408), (120, 165374), (132, 150340), (165, 120272), (176, 112755), (220, 90204), (240, 82687), (264, 75170), (330, 60136), (440, 45102), (528, 37585), (660, 30068), (880, 22551), (1320, 15034), (2640, 7517)]