19978899

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1303}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 8187501

約数列:

[1, 3, 19, 57, 269, 807, 1303, 3909, 5111, 15333, 24757, 74271, 350507, 1051521, 6659633, 19978899]

約数ペア:

[(1, 19978899), (3, 6659633), (19, 1051521), (57, 350507), (269, 74271), (807, 24757), (1303, 15333), (3909, 5111)]