19717643

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1091}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 2926069

約数列:

[1, 11, 31, 53, 341, 583, 1091, 1643, 12001, 18073, 33821, 57823, 372031, 636053, 1792513, 19717643]

約数ペア:

[(1, 19717643), (11, 1792513), (31, 636053), (53, 372031), (341, 57823), (583, 33821), (1091, 18073), (1643, 12001)]