19500267

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 27593280

約数和(自身を除く): 8093013

約数列:

[1, 3, 29, 59, 87, 131, 177, 393, 841, 1711, 2523, 3799, 5133, 7729, 11397, 23187, 49619, 110171, 148857, 224141, 330513, 672423, 6500089, 19500267]

約数ペア:

[(1, 19500267), (3, 6500089), (29, 672423), (59, 330513), (87, 224141), (131, 148857), (177, 110171), (393, 49619), (841, 23187), (1711, 11397), (2523, 7729), (3799, 5133)]