19777987

素因数分解:

${\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 21555072

約数和(自身を除く): 1777085

約数列:

[1, 17, 83, 107, 131, 1411, 1819, 2227, 8881, 10873, 14017, 150977, 184841, 238289, 1163411, 19777987]

約数ペア:

[(1, 19777987), (17, 1163411), (83, 238289), (107, 184841), (131, 150977), (1411, 14017), (1819, 10873), (2227, 8881)]