18672664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 39536640

約数和(自身を除く): 20863976

約数列:

[1, 2, 4, 8, 17, 31, 34, 43, 62, 68, 86, 103, 124, 136, 172, 206, 248, 344, 412, 527, 731, 824, 1054, 1333, 1462, 1751, 2108, 2666, 2924, 3193, 3502, 4216, 4429, 5332, 5848, 6386, 7004, 8858, 10664, 12772, 14008, 17716, 22661, 25544, 35432, 45322, 54281, 75293, 90644, 108562, 137299, 150586, 181288, 217124, 274598, 301172, 434248, 549196, 602344, 1098392, 2334083, 4668166, 9336332, 18672664]

約数ペア:

[(1, 18672664), (2, 9336332), (4, 4668166), (8, 2334083), (17, 1098392), (31, 602344), (34, 549196), (43, 434248), (62, 301172), (68, 274598), (86, 217124), (103, 181288), (124, 150586), (136, 137299), (172, 108562), (206, 90644), (248, 75293), (344, 54281), (412, 45322), (527, 35432), (731, 25544), (824, 22661), (1054, 17716), (1333, 14008), (1462, 12772), (1751, 10664), (2108, 8858), (2666, 7004), (2924, 6386), (3193, 5848), (3502, 5332), (4216, 4429)]