19890712

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{22003}}^1$

素因数の和:22122

約数の個数: 16

約数和(自身を含む): 37626840

約数和(自身を除く): 17736128

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 22003, 44006, 88012, 176024, 2486339, 4972678, 9945356, 19890712]

約数ペア:

[(1, 19890712), (2, 9945356), (4, 4972678), (8, 2486339), (113, 176024), (226, 88012), (452, 44006), (904, 22003)]