18555004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1493}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 35138880

約数和(自身を除く): 16583876

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 1493, 2986, 3107, 5972, 6214, 12428, 19409, 38818, 77636, 356827, 713654, 1427308, 4638751, 9277502, 18555004]

約数ペア:

[(1, 18555004), (2, 9277502), (4, 4638751), (13, 1427308), (26, 713654), (52, 356827), (239, 77636), (478, 38818), (956, 19409), (1493, 12428), (2986, 6214), (3107, 5972)]