19917982

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83689}}^1$

素因数の和:83715

約数の個数: 16

約数和(自身を含む): 36154080

約数和(自身を除く): 16236098

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 83689, 167378, 585823, 1171646, 1422713, 2845426, 9958991, 19917982]

約数ペア:

[(1, 19917982), (2, 9958991), (7, 2845426), (14, 1422713), (17, 1171646), (34, 585823), (119, 167378), (238, 83689)]