19003391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 21331968

約数和(自身を除く): 2328577

約数列:

[1, 11, 61, 127, 223, 671, 1397, 2453, 7747, 13603, 28321, 85217, 149633, 311531, 1727581, 19003391]

約数ペア:

[(1, 19003391), (11, 1727581), (61, 311531), (127, 149633), (223, 85217), (671, 28321), (1397, 13603), (2453, 7747)]