19057168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91621}}^1$

素因数の和:91642

約数の個数: 20

約数和(自身を含む): 39763948

約数和(自身を除く): 20706780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91621, 183242, 366484, 732968, 1191073, 1465936, 2382146, 4764292, 9528584, 19057168]

約数ペア:

[(1, 19057168), (2, 9528584), (4, 4764292), (8, 2382146), (13, 1465936), (16, 1191073), (26, 732968), (52, 366484), (104, 183242), (208, 91621)]