18781893

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{701}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 29385720

約数和(自身を除く): 10603827

約数列:

[1, 3, 9, 13, 39, 117, 229, 687, 701, 2061, 2103, 2977, 6309, 8931, 9113, 26793, 27339, 82017, 160529, 481587, 1444761, 2086877, 6260631, 18781893]

約数ペア:

[(1, 18781893), (3, 6260631), (9, 2086877), (13, 1444761), (39, 481587), (117, 160529), (229, 82017), (687, 27339), (701, 26793), (2061, 9113), (2103, 8931), (2977, 6309)]