2018091859

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{213713}}^1$

素因数の和:213810

約数の個数: 16

約数和(自身を含む): 2461985280

約数和(自身を除く): 443893421

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 213713, 1495991, 4060547, 15173623, 28423829, 106215361, 288298837, 2018091859]

約数ペア:

[(1, 2018091859), (7, 288298837), (19, 106215361), (71, 28423829), (133, 15173623), (497, 4060547), (1349, 1495991), (9443, 213713)]