19907308

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 35985600

約数和(自身を除く): 16078292

約数列:

[1, 2, 4, 59, 67, 118, 134, 236, 268, 1259, 2518, 3953, 5036, 7906, 15812, 74281, 84353, 148562, 168706, 297124, 337412, 4976827, 9953654, 19907308]

約数ペア:

[(1, 19907308), (2, 9953654), (4, 4976827), (59, 337412), (67, 297124), (118, 168706), (134, 148562), (236, 84353), (268, 74281), (1259, 15812), (2518, 7906), (3953, 5036)]