19701304

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2683

約数の個数: 32

約数和(自身を含む): 42537600

約数和(自身を除く): 22836296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2531, 3892, 5062, 7784, 10124, 17717, 20248, 35434, 70868, 141736, 351809, 703618, 1407236, 2462663, 2814472, 4925326, 9850652, 19701304]

約数ペア:

[(1, 19701304), (2, 9850652), (4, 4925326), (7, 2814472), (8, 2462663), (14, 1407236), (28, 703618), (56, 351809), (139, 141736), (278, 70868), (556, 35434), (973, 20248), (1112, 17717), (1946, 10124), (2531, 7784), (3892, 5062)]