20180990011

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{3617}}^1$

素因数の和:4124

約数の個数: 48

約数和(自身を含む): 26677395360

約数和(自身を除く): 6496405349

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 461, 637, 931, 1729, 3227, 3617, 5993, 8759, 12103, 22589, 25319, 41951, 47021, 61313, 68723, 113867, 177233, 293657, 329147, 429191, 481061, 797069, 893399, 1667437, 2304029, 3367427, 5579483, 6253793, 11672059, 21676681, 31681303, 43776551, 81704413, 151736767, 221769121, 411856939, 1062157369, 1552383847, 2882998573, 20180990011]

約数ペア:

[(1, 20180990011), (7, 2882998573), (13, 1552383847), (19, 1062157369), (49, 411856939), (91, 221769121), (133, 151736767), (247, 81704413), (461, 43776551), (637, 31681303), (931, 21676681), (1729, 11672059), (3227, 6253793), (3617, 5579483), (5993, 3367427), (8759, 2304029), (12103, 1667437), (22589, 893399), (25319, 797069), (41951, 481061), (47021, 429191), (61313, 329147), (68723, 293657), (113867, 177233)]