19910024

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{130987}}^1$

素因数の和:131012

約数の個数: 16

約数和(自身を含む): 39296400

約数和(自身を除く): 19386376

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 130987, 261974, 523948, 1047896, 2488753, 4977506, 9955012, 19910024]

約数ペア:

[(1, 19910024), (2, 9955012), (4, 4977506), (8, 2488753), (19, 1047896), (38, 523948), (76, 261974), (152, 130987)]