19813029

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1237}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 27929280

約数和(自身を除く): 8116251

約数列:

[1, 3, 19, 57, 281, 843, 1237, 3711, 5339, 16017, 23503, 70509, 347597, 1042791, 6604343, 19813029]

約数ペア:

[(1, 19813029), (3, 6604343), (19, 1042791), (57, 347597), (281, 70509), (843, 23503), (1237, 16017), (3711, 5339)]