19714544

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4909}}^1$

素因数の和:5168

約数の個数: 20

約数和(自身を含む): 38356920

約数和(自身を除く): 18642376

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4909, 9818, 19636, 39272, 78544, 1232159, 2464318, 4928636, 9857272, 19714544]

約数ペア:

[(1, 19714544), (2, 9857272), (4, 4928636), (8, 2464318), (16, 1232159), (251, 78544), (502, 39272), (1004, 19636), (2008, 9818), (4016, 4909)]