18425944

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17862056

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 239, 419, 478, 838, 956, 1676, 1912, 3352, 5497, 9637, 10994, 19274, 21988, 38548, 43976, 77096, 100141, 200282, 400564, 801128, 2303243, 4606486, 9212972, 18425944]

約数ペア:

[(1, 18425944), (2, 9212972), (4, 4606486), (8, 2303243), (23, 801128), (46, 400564), (92, 200282), (184, 100141), (239, 77096), (419, 43976), (478, 38548), (838, 21988), (956, 19274), (1676, 10994), (1912, 9637), (3352, 5497)]