18940528

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16673}}^1$

素因数の和:16752

約数の個数: 20

約数和(自身を含む): 37216368

約数和(自身を除く): 18275840

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16673, 33346, 66692, 133384, 266768, 1183783, 2367566, 4735132, 9470264, 18940528]

約数ペア:

[(1, 18940528), (2, 9470264), (4, 4735132), (8, 2367566), (16, 1183783), (71, 266768), (142, 133384), (284, 66692), (568, 33346), (1136, 16673)]