16991694

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2046

約数の個数: 40

約数和(自身を含む): 38811960

約数和(自身を除く): 21820266

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 318, 477, 954, 1431, 1979, 2862, 3958, 4293, 5937, 8586, 11874, 17811, 35622, 53433, 104887, 106866, 160299, 209774, 314661, 320598, 629322, 943983, 1887966, 2831949, 5663898, 8495847, 16991694]

約数ペア:

[(1, 16991694), (2, 8495847), (3, 5663898), (6, 2831949), (9, 1887966), (18, 943983), (27, 629322), (53, 320598), (54, 314661), (81, 209774), (106, 160299), (159, 106866), (162, 104887), (318, 53433), (477, 35622), (954, 17811), (1431, 11874), (1979, 8586), (2862, 5937), (3958, 4293)]