18655893

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 24

約数和(自身を含む): 28598400

約数和(自身を除く): 9942507

約数列:

[1, 3, 9, 27, 31, 93, 279, 719, 837, 961, 2157, 2883, 6471, 8649, 19413, 22289, 25947, 66867, 200601, 601803, 690959, 2072877, 6218631, 18655893]

約数ペア:

[(1, 18655893), (3, 6218631), (9, 2072877), (27, 690959), (31, 601803), (93, 200601), (279, 66867), (719, 25947), (837, 22289), (961, 19413), (2157, 8649), (2883, 6471)]