19900387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1699}}^1$

素因数の和:1782

約数の個数: 16

約数和(自身を含む): 23133600

約数和(自身を除く): 3233213

約数列:

[1, 13, 17, 53, 221, 689, 901, 1699, 11713, 22087, 28883, 90047, 375479, 1170611, 1530799, 19900387]

約数ペア:

[(1, 19900387), (13, 1530799), (17, 1170611), (53, 375479), (221, 90047), (689, 28883), (901, 22087), (1699, 11713)]