18389758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 12161282

約数列:

[1, 2, 19, 31, 38, 62, 67, 134, 233, 466, 589, 1178, 1273, 2077, 2546, 4154, 4427, 7223, 8854, 14446, 15611, 31222, 39463, 78926, 137237, 274474, 296609, 483941, 593218, 967882, 9194879, 18389758]

約数ペア:

[(1, 18389758), (2, 9194879), (19, 967882), (31, 593218), (38, 483941), (62, 296609), (67, 274474), (134, 137237), (233, 78926), (466, 39463), (589, 31222), (1178, 15611), (1273, 14446), (2077, 8854), (2546, 7223), (4154, 4427)]