19907814

素因数分解:

$2^1\times 3^1\times {\mathrm{251}}^1\times {\mathrm{13219}}^1$

素因数の和:13475

約数の個数: 16

約数和(自身を含む): 39977280

約数和(自身を除く): 20069466

約数列:

[1, 2, 3, 6, 251, 502, 753, 1506, 13219, 26438, 39657, 79314, 3317969, 6635938, 9953907, 19907814]

約数ペア:

[(1, 19907814), (2, 9953907), (3, 6635938), (6, 3317969), (251, 79314), (502, 39657), (753, 26438), (1506, 13219)]