19227471

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 8973489

約数列:

[1, 3, 23, 31, 69, 89, 93, 101, 267, 303, 713, 2047, 2139, 2323, 2759, 3131, 6141, 6969, 8277, 8989, 9393, 26967, 63457, 72013, 190371, 206747, 216039, 278659, 620241, 835977, 6409157, 19227471]

約数ペア:

[(1, 19227471), (3, 6409157), (23, 835977), (31, 620241), (69, 278659), (89, 216039), (93, 206747), (101, 190371), (267, 72013), (303, 63457), (713, 26967), (2047, 9393), (2139, 8989), (2323, 8277), (2759, 6969), (3131, 6141)]