19917322

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3407}}^1$

素因数の和:3525

約数の個数: 16

約数和(自身を含む): 31080960

約数和(自身を除く): 11163638

約数列:

[1, 2, 37, 74, 79, 158, 2923, 3407, 5846, 6814, 126059, 252118, 269153, 538306, 9958661, 19917322]

約数ペア:

[(1, 19917322), (2, 9958661), (37, 538306), (74, 269153), (79, 252118), (158, 126059), (2923, 6814), (3407, 5846)]