16780986

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 37646400

約数和(自身を除く): 20865414

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2851, 2943, 5702, 5886, 8553, 17106, 25659, 51318, 76977, 153954, 310759, 621518, 932277, 1864554, 2796831, 5593662, 8390493, 16780986]

約数ペア:

[(1, 16780986), (2, 8390493), (3, 5593662), (6, 2796831), (9, 1864554), (18, 932277), (27, 621518), (54, 310759), (109, 153954), (218, 76977), (327, 51318), (654, 25659), (981, 17106), (1962, 8553), (2851, 5886), (2943, 5702)]