18918424

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1153}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 40713120

約数和(自身を除く): 21794696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1153, 1172, 2051, 2306, 2344, 4102, 4612, 8071, 8204, 9224, 16142, 16408, 32284, 64568, 337829, 675658, 1351316, 2364803, 2702632, 4729606, 9459212, 18918424]

約数ペア:

[(1, 18918424), (2, 9459212), (4, 4729606), (7, 2702632), (8, 2364803), (14, 1351316), (28, 675658), (56, 337829), (293, 64568), (586, 32284), (1153, 16408), (1172, 16142), (2051, 9224), (2306, 8204), (2344, 8071), (4102, 4612)]