18691412

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 33677952

約数和(自身を除く): 14986540

約数列:

[1, 2, 4, 43, 86, 172, 271, 401, 542, 802, 1084, 1604, 11653, 17243, 23306, 34486, 46612, 68972, 108671, 217342, 434684, 4672853, 9345706, 18691412]

約数ペア:

[(1, 18691412), (2, 9345706), (4, 4672853), (43, 434684), (86, 217342), (172, 108671), (271, 68972), (401, 46612), (542, 34486), (802, 23306), (1084, 17243), (1604, 11653)]