19804587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10677333

約数列:

[1, 3, 11, 23, 33, 69, 97, 253, 269, 291, 759, 807, 1067, 2231, 2959, 3201, 6187, 6693, 8877, 18561, 24541, 26093, 68057, 73623, 78279, 204171, 287023, 600139, 861069, 1800417, 6601529, 19804587]

約数ペア:

[(1, 19804587), (3, 6601529), (11, 1800417), (23, 861069), (33, 600139), (69, 287023), (97, 204171), (253, 78279), (269, 73623), (291, 68057), (759, 26093), (807, 24541), (1067, 18561), (2231, 8877), (2959, 6693), (3201, 6187)]