18665218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 35191800

約数和(自身を除く): 16526582

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 121, 143, 187, 221, 242, 286, 349, 374, 442, 698, 1573, 2057, 2431, 3146, 3839, 4114, 4537, 4862, 5933, 7678, 9074, 11866, 26741, 42229, 49907, 53482, 65263, 77129, 84458, 99814, 130526, 154258, 548977, 717893, 848419, 1097954, 1435786, 1696838, 9332609, 18665218]

約数ペア:

[(1, 18665218), (2, 9332609), (11, 1696838), (13, 1435786), (17, 1097954), (22, 848419), (26, 717893), (34, 548977), (121, 154258), (143, 130526), (187, 99814), (221, 84458), (242, 77129), (286, 65263), (349, 53482), (374, 49907), (442, 42229), (698, 26741), (1573, 11866), (2057, 9074), (2431, 7678), (3146, 5933), (3839, 4862), (4114, 4537)]