19216109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 2846995

約数列:

[1, 11, 23, 151, 253, 503, 1661, 3473, 5533, 11569, 38203, 75953, 127259, 835483, 1746919, 19216109]

約数ペア:

[(1, 19216109), (11, 1746919), (23, 835483), (151, 127259), (253, 75953), (503, 38203), (1661, 11569), (3473, 5533)]