18120737348

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{365839}}^1$

素因数の和:365940

約数の個数: 48

約数和(自身を含む): 38105894400

約数和(自身を除く): 19985157052

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 61, 116, 122, 203, 244, 406, 427, 812, 854, 1708, 1769, 3538, 7076, 12383, 24766, 49532, 365839, 731678, 1463356, 2560873, 5121746, 10243492, 10609331, 21218662, 22316179, 42437324, 44632358, 74265317, 89264716, 148530634, 156213253, 297061268, 312426506, 624853012, 647169191, 1294338382, 2588676764, 4530184337, 9060368674, 18120737348]

約数ペア:

[(1, 18120737348), (2, 9060368674), (4, 4530184337), (7, 2588676764), (14, 1294338382), (28, 647169191), (29, 624853012), (58, 312426506), (61, 297061268), (116, 156213253), (122, 148530634), (203, 89264716), (244, 74265317), (406, 44632358), (427, 42437324), (812, 22316179), (854, 21218662), (1708, 10609331), (1769, 10243492), (3538, 5121746), (7076, 2560873), (12383, 1463356), (24766, 731678), (49532, 365839)]