16419728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{78941}}^1$

素因数の和:78962

約数の個数: 20

約数和(自身を含む): 34260828

約数和(自身を除く): 17841100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 78941, 157882, 315764, 631528, 1026233, 1263056, 2052466, 4104932, 8209864, 16419728]

約数ペア:

[(1, 16419728), (2, 8209864), (4, 4104932), (8, 2052466), (13, 1263056), (16, 1026233), (26, 631528), (52, 315764), (104, 157882), (208, 78941)]