19534557

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 31596544

約数和(自身を除く): 12061987

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 811, 1147, 2433, 3441, 5677, 8029, 17031, 24087, 25141, 30007, 75423, 90021, 175987, 210049, 527961, 630147, 930217, 2790651, 6511519, 19534557]

約数ペア:

[(1, 19534557), (3, 6511519), (7, 2790651), (21, 930217), (31, 630147), (37, 527961), (93, 210049), (111, 175987), (217, 90021), (259, 75423), (651, 30007), (777, 25141), (811, 24087), (1147, 17031), (2433, 8029), (3441, 5677)]