17921384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{172321}}^1$

素因数の和:172340

約数の個数: 16

約数和(自身を含む): 36187620

約数和(自身を除く): 18266236

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 172321, 344642, 689284, 1378568, 2240173, 4480346, 8960692, 17921384]

約数ペア:

[(1, 17921384), (2, 8960692), (4, 4480346), (8, 2240173), (13, 1378568), (26, 689284), (52, 344642), (104, 172321)]