18416930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{857}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 38054016

約数和(自身を除く): 19637086

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 857, 1535, 1714, 2149, 3070, 4285, 4298, 5999, 8570, 10745, 11998, 21490, 29995, 59990, 263099, 526198, 1315495, 1841693, 2630990, 3683386, 9208465, 18416930]

約数ペア:

[(1, 18416930), (2, 9208465), (5, 3683386), (7, 2630990), (10, 1841693), (14, 1315495), (35, 526198), (70, 263099), (307, 59990), (614, 29995), (857, 21490), (1535, 11998), (1714, 10745), (2149, 8570), (3070, 5999), (4285, 4298)]