19966794

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20857206

約数列:

[1, 2, 3, 6, 89, 139, 178, 267, 269, 278, 417, 534, 538, 807, 834, 1614, 12371, 23941, 24742, 37113, 37391, 47882, 71823, 74226, 74782, 112173, 143646, 224346, 3327799, 6655598, 9983397, 19966794]

約数ペア:

[(1, 19966794), (2, 9983397), (3, 6655598), (6, 3327799), (89, 224346), (139, 143646), (178, 112173), (267, 74782), (269, 74226), (278, 71823), (417, 47882), (534, 37391), (538, 37113), (807, 24742), (834, 23941), (1614, 12371)]