18213772

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 32901120

約数和(自身を除く): 14687348

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 1087, 2174, 4189, 4348, 8378, 16756, 64133, 77177, 128266, 154354, 256532, 308708, 4553443, 9106886, 18213772]

約数ペア:

[(1, 18213772), (2, 9106886), (4, 4553443), (59, 308708), (71, 256532), (118, 154354), (142, 128266), (236, 77177), (284, 64133), (1087, 16756), (2174, 8378), (4189, 4348)]