18152890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1499}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 19431110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1499, 1730, 2422, 2998, 6055, 7495, 10493, 12110, 14990, 20986, 52465, 104930, 259327, 518654, 1296635, 1815289, 2593270, 3630578, 9076445, 18152890]

約数ペア:

[(1, 18152890), (2, 9076445), (5, 3630578), (7, 2593270), (10, 1815289), (14, 1296635), (35, 518654), (70, 259327), (173, 104930), (346, 52465), (865, 20986), (1211, 14990), (1499, 12110), (1730, 10493), (2422, 7495), (2998, 6055)]