19318229

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 23294208

約数和(自身を除く): 3975979

約数列:

[1, 7, 23, 97, 161, 679, 1237, 2231, 8659, 15617, 28451, 119989, 199157, 839923, 2759747, 19318229]

約数ペア:

[(1, 19318229), (7, 2759747), (23, 839923), (97, 199157), (161, 119989), (679, 28451), (1237, 15617), (2231, 8659)]