17939667

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 25269120

約数和(自身を除く): 7329453

約数列:

[1, 3, 19, 57, 491, 641, 1473, 1923, 9329, 12179, 27987, 36537, 314731, 944193, 5979889, 17939667]

約数ペア:

[(1, 17939667), (3, 5979889), (19, 944193), (57, 314731), (491, 36537), (641, 27987), (1473, 12179), (1923, 9329)]