39881574

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{20327}}^1$

素因数の和:20444

約数の個数: 24

約数和(自身を含む): 87207120

約数和(自身を除く): 47325546

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 20327, 40654, 60981, 121962, 182943, 365886, 2215643, 4431286, 6646929, 13293858, 19940787, 39881574]

約数ペア:

[(1, 39881574), (2, 19940787), (3, 13293858), (6, 6646929), (9, 4431286), (18, 2215643), (109, 365886), (218, 182943), (327, 121962), (654, 60981), (981, 40654), (1962, 20327)]