18413793

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 28173600

約数和(自身を除く): 9759807

約数列:

[1, 3, 9, 19, 57, 171, 257, 419, 771, 1257, 2313, 3771, 4883, 7961, 14649, 23883, 43947, 71649, 107683, 323049, 969147, 2045977, 6137931, 18413793]

約数ペア:

[(1, 18413793), (3, 6137931), (9, 2045977), (19, 969147), (57, 323049), (171, 107683), (257, 71649), (419, 43947), (771, 23883), (1257, 14649), (2313, 7961), (3771, 4883)]