20181805252

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1\times {\mathrm{15473}}^1$

素因数の和:16780

約数の個数: 48

約数和(自身を含む): 41490126720

約数和(自身を除く): 21308321468

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1259, 2518, 5036, 8813, 15473, 17626, 30946, 35252, 46583, 61892, 93166, 108311, 186332, 216622, 326081, 433244, 572501, 652162, 1145002, 1304324, 2290004, 4007507, 8015014, 16030028, 19480507, 38961014, 77922028, 136363549, 272727098, 545454196, 720778759, 1441557518, 2883115036, 5045451313, 10090902626, 20181805252]

約数ペア:

[(1, 20181805252), (2, 10090902626), (4, 5045451313), (7, 2883115036), (14, 1441557518), (28, 720778759), (37, 545454196), (74, 272727098), (148, 136363549), (259, 77922028), (518, 38961014), (1036, 19480507), (1259, 16030028), (2518, 8015014), (5036, 4007507), (8813, 2290004), (15473, 1304324), (17626, 1145002), (30946, 652162), (35252, 572501), (46583, 433244), (61892, 326081), (93166, 216622), (108311, 186332)]