18736191

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 29795040

約数和(自身を除く): 11058849

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 113, 207, 267, 339, 621, 801, 1017, 1863, 2047, 2403, 2599, 3051, 6141, 7209, 7797, 9153, 10057, 18423, 23391, 30171, 55269, 70173, 90513, 165807, 210519, 231311, 271539, 693933, 814617, 2081799, 6245397, 18736191]

約数ペア:

[(1, 18736191), (3, 6245397), (9, 2081799), (23, 814617), (27, 693933), (69, 271539), (81, 231311), (89, 210519), (113, 165807), (207, 90513), (267, 70173), (339, 55269), (621, 30171), (801, 23391), (1017, 18423), (1863, 10057), (2047, 9153), (2403, 7797), (2599, 7209), (3051, 6141)]