20171978274

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1854383}}^1$

素因数の和:1854439

約数の個数: 48

約数和(自身を含む): 48199148928

約数和(自身を除く): 28027170654

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 3626, 5439, 10878, 1854383, 3708766, 5563149, 11126298, 12980681, 25961362, 38942043, 68612171, 77884086, 90864767, 137224342, 181729534, 205836513, 272594301, 411673026, 480285197, 545188602, 960570394, 1440855591, 2881711182, 3361996379, 6723992758, 10085989137, 20171978274]

約数ペア:

[(1, 20171978274), (2, 10085989137), (3, 6723992758), (6, 3361996379), (7, 2881711182), (14, 1440855591), (21, 960570394), (37, 545188602), (42, 480285197), (49, 411673026), (74, 272594301), (98, 205836513), (111, 181729534), (147, 137224342), (222, 90864767), (259, 77884086), (294, 68612171), (518, 38942043), (777, 25961362), (1554, 12980681), (1813, 11126298), (3626, 5563149), (5439, 3708766), (10878, 1854383)]