18196473

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 26836992

約数和(自身を除く): 8640519

約数列:

[1, 3, 23, 31, 47, 69, 93, 141, 181, 543, 713, 1081, 1457, 2139, 3243, 4163, 4371, 5611, 8507, 12489, 16833, 25521, 33511, 100533, 129053, 195661, 263717, 387159, 586983, 791151, 6065491, 18196473]

約数ペア:

[(1, 18196473), (3, 6065491), (23, 791151), (31, 586983), (47, 387159), (69, 263717), (93, 195661), (141, 129053), (181, 100533), (543, 33511), (713, 25521), (1081, 16833), (1457, 12489), (2139, 8507), (3243, 5611), (4163, 4371)]