19771646

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:548

約数の個数: 24

約数和(自身を含む): 31977120

約数和(自身を除く): 12205474

約数列:

[1, 2, 17, 34, 79, 158, 289, 433, 578, 866, 1343, 2686, 7361, 14722, 22831, 34207, 45662, 68414, 125137, 250274, 581519, 1163038, 9885823, 19771646]

約数ペア:

[(1, 19771646), (2, 9885823), (17, 1163038), (34, 581519), (79, 250274), (158, 125137), (289, 68414), (433, 45662), (578, 34207), (866, 22831), (1343, 14722), (2686, 7361)]