19705546

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 36

約数和(自身を含む): 36354258

約数和(自身を除く): 16648712

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 361, 557, 722, 931, 1114, 1862, 2527, 3899, 5054, 7798, 10583, 17689, 21166, 27293, 35378, 54586, 74081, 148162, 201077, 402154, 518567, 1037134, 1407539, 2815078, 9852773, 19705546]

約数ペア:

[(1, 19705546), (2, 9852773), (7, 2815078), (14, 1407539), (19, 1037134), (38, 518567), (49, 402154), (98, 201077), (133, 148162), (266, 74081), (361, 54586), (557, 35378), (722, 27293), (931, 21166), (1114, 17689), (1862, 10583), (2527, 7798), (3899, 5054)]