19944320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2833}}^1$

素因数の和:2863

約数の個数: 64

約数和(自身を含む): 52032240

約数和(自身を除く): 32087920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2833, 3520, 5666, 7040, 11332, 14165, 22664, 28330, 31163, 45328, 56660, 62326, 90656, 113320, 124652, 155815, 181312, 226640, 249304, 311630, 362624, 453280, 498608, 623260, 906560, 997216, 1246520, 1813120, 1994432, 2493040, 3988864, 4986080, 9972160, 19944320]

約数ペア:

[(1, 19944320), (2, 9972160), (4, 4986080), (5, 3988864), (8, 2493040), (10, 1994432), (11, 1813120), (16, 1246520), (20, 997216), (22, 906560), (32, 623260), (40, 498608), (44, 453280), (55, 362624), (64, 311630), (80, 249304), (88, 226640), (110, 181312), (128, 155815), (160, 124652), (176, 113320), (220, 90656), (320, 62326), (352, 56660), (440, 45328), (640, 31163), (704, 28330), (880, 22664), (1408, 14165), (1760, 11332), (2833, 7040), (3520, 5666)]