19817601

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 27184896

約数和(自身を除く): 7367295

約数列:

[1, 3, 53, 113, 159, 339, 1103, 3309, 5989, 17967, 58459, 124639, 175377, 373917, 6605867, 19817601]

約数ペア:

[(1, 19817601), (3, 6605867), (53, 373917), (113, 175377), (159, 124639), (339, 58459), (1103, 17967), (3309, 5989)]