16519984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79423}}^1$

素因数の和:79444

約数の個数: 20

約数和(自身を含む): 34470016

約数和(自身を除く): 17950032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 79423, 158846, 317692, 635384, 1032499, 1270768, 2064998, 4129996, 8259992, 16519984]

約数ペア:

[(1, 16519984), (2, 8259992), (4, 4129996), (8, 2064998), (13, 1270768), (16, 1032499), (26, 635384), (52, 317692), (104, 158846), (208, 79423)]