18280028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3413}}^1$

素因数の和:3533

約数の個数: 24

約数和(自身を含む): 34795488

約数和(自身を除く): 16515460

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3413, 5356, 6826, 13652, 44369, 88738, 177476, 351539, 703078, 1406156, 4570007, 9140014, 18280028]

約数ペア:

[(1, 18280028), (2, 9140014), (4, 4570007), (13, 1406156), (26, 703078), (52, 351539), (103, 177476), (206, 88738), (412, 44369), (1339, 13652), (2678, 6826), (3413, 5356)]