18198973

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 20156416

約数和(自身を除く): 1957443

約数列:

[1, 13, 73, 127, 151, 949, 1651, 1963, 9271, 11023, 19177, 120523, 143299, 249301, 1399921, 18198973]

約数ペア:

[(1, 18198973), (13, 1399921), (73, 249301), (127, 143299), (151, 120523), (949, 19177), (1651, 11023), (1963, 9271)]