18542438

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1591

約数の個数: 16

約数和(自身を含む): 28531440

約数和(自身を除く): 9989002

約数列:

[1, 2, 73, 89, 146, 178, 1427, 2854, 6497, 12994, 104171, 127003, 208342, 254006, 9271219, 18542438]

約数ペア:

[(1, 18542438), (2, 9271219), (73, 254006), (89, 208342), (146, 127003), (178, 104171), (1427, 12994), (2854, 6497)]