19453709

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 22187520

約数和(自身を除く): 2733811

約数列:

[1, 11, 31, 89, 341, 641, 979, 2759, 7051, 19871, 30349, 57049, 218581, 627539, 1768519, 19453709]

約数ペア:

[(1, 19453709), (11, 1768519), (31, 627539), (89, 218581), (341, 57049), (641, 30349), (979, 19871), (2759, 7051)]