18683821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 21515200

約数和(自身を除く): 2831379

約数列:

[1, 13, 19, 67, 247, 871, 1129, 1273, 14677, 16549, 21451, 75643, 278863, 983359, 1437217, 18683821]

約数ペア:

[(1, 18683821), (13, 1437217), (19, 983359), (67, 278863), (247, 75643), (871, 21451), (1129, 16549), (1273, 14677)]