18780244

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8081}}^1$

素因数の和:8175

約数の個数: 24

約数和(自身を含む): 38017728

約数和(自身を除く): 19237484

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8081, 16162, 32324, 56567, 113134, 226268, 670723, 1341446, 2682892, 4695061, 9390122, 18780244]

約数ペア:

[(1, 18780244), (2, 9390122), (4, 4695061), (7, 2682892), (14, 1341446), (28, 670723), (83, 226268), (166, 113134), (332, 56567), (581, 32324), (1162, 16162), (2324, 8081)]