19956419

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2503}}^1$

素因数の和:2594

約数の個数: 16

約数和(自身を含む): 24519168

約数和(自身を除く): 4562749

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2503, 7973, 17521, 42551, 167701, 297857, 1173907, 2850917, 19956419]

約数ペア:

[(1, 19956419), (7, 2850917), (17, 1173907), (67, 297857), (119, 167701), (469, 42551), (1139, 17521), (2503, 7973)]