30640958

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:145

約数の個数: 36

約数和(自身を含む): 51462432

約数和(自身を除く): 20821474

約数列:

[1, 2, 19, 31, 37, 38, 62, 74, 361, 589, 703, 722, 1147, 1178, 1369, 1406, 2294, 2738, 11191, 13357, 21793, 22382, 26011, 26714, 42439, 43586, 52022, 84878, 414067, 494209, 806341, 828134, 988418, 1612682, 15320479, 30640958]

約数ペア:

[(1, 30640958), (2, 15320479), (19, 1612682), (31, 988418), (37, 828134), (38, 806341), (62, 494209), (74, 414067), (361, 84878), (589, 52022), (703, 43586), (722, 42439), (1147, 26714), (1178, 26011), (1369, 22382), (1406, 21793), (2294, 13357), (2738, 11191)]