20173218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258631}}^1$

素因数の和:258649

約数の個数: 16

約数和(自身を含む): 43450176

約数和(自身を除く): 23276958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258631, 517262, 775893, 1551786, 3362203, 6724406, 10086609, 20173218]

約数ペア:

[(1, 20173218), (2, 10086609), (3, 6724406), (6, 3362203), (13, 1551786), (26, 775893), (39, 517262), (78, 258631)]