19880030

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19301}}^1$

素因数の和:19411

約数の個数: 16

約数和(自身を含む): 36133344

約数和(自身を除く): 16253314

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19301, 38602, 96505, 193010, 1988003, 3976006, 9940015, 19880030]

約数ペア:

[(1, 19880030), (2, 9940015), (5, 3976006), (10, 1988003), (103, 193010), (206, 96505), (515, 38602), (1030, 19301)]