18636080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 46764864

約数和(自身を除く): 28128784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 193, 272, 284, 340, 355, 386, 568, 680, 710, 772, 965, 1136, 1207, 1360, 1420, 1544, 1930, 2414, 2840, 3088, 3281, 3860, 4828, 5680, 6035, 6562, 7720, 9656, 12070, 13124, 13703, 15440, 16405, 19312, 24140, 26248, 27406, 32810, 48280, 52496, 54812, 65620, 68515, 96560, 109624, 131240, 137030, 219248, 232951, 262480, 274060, 465902, 548120, 931804, 1096240, 1164755, 1863608, 2329510, 3727216, 4659020, 9318040, 18636080]

約数ペア:

[(1, 18636080), (2, 9318040), (4, 4659020), (5, 3727216), (8, 2329510), (10, 1863608), (16, 1164755), (17, 1096240), (20, 931804), (34, 548120), (40, 465902), (68, 274060), (71, 262480), (80, 232951), (85, 219248), (136, 137030), (142, 131240), (170, 109624), (193, 96560), (272, 68515), (284, 65620), (340, 54812), (355, 52496), (386, 48280), (568, 32810), (680, 27406), (710, 26248), (772, 24140), (965, 19312), (1136, 16405), (1207, 15440), (1360, 13703), (1420, 13124), (1544, 12070), (1930, 9656), (2414, 7720), (2840, 6562), (3088, 6035), (3281, 5680), (3860, 4828)]