18878002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 33566400

約数和(自身を除く): 14688398

約数列:

[1, 2, 11, 13, 22, 26, 143, 149, 286, 298, 443, 886, 1639, 1937, 3278, 3874, 4873, 5759, 9746, 11518, 21307, 42614, 63349, 66007, 126698, 132014, 726077, 858091, 1452154, 1716182, 9439001, 18878002]

約数ペア:

[(1, 18878002), (2, 9439001), (11, 1716182), (13, 1452154), (22, 858091), (26, 726077), (143, 132014), (149, 126698), (286, 66007), (298, 63349), (443, 42614), (886, 21307), (1639, 11518), (1937, 9746), (3278, 5759), (3874, 4873)]