19018064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91433}}^1$

素因数の和:91454

約数の個数: 20

約数和(自身を含む): 39682356

約数和(自身を除く): 20664292

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91433, 182866, 365732, 731464, 1188629, 1462928, 2377258, 4754516, 9509032, 19018064]

約数ペア:

[(1, 19018064), (2, 9509032), (4, 4754516), (8, 2377258), (13, 1462928), (16, 1188629), (26, 731464), (52, 365732), (104, 182866), (208, 91433)]