18995639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 21054432

約数和(自身を除く): 2058793

約数列:

[1, 13, 67, 113, 193, 871, 1469, 2509, 7571, 12931, 21809, 98423, 168103, 283517, 1461203, 18995639]

約数ペア:

[(1, 18995639), (13, 1461203), (67, 283517), (113, 168103), (193, 98423), (871, 21809), (1469, 12931), (2509, 7571)]