18470518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 31871232

約数和(自身を除く): 13400714

約数列:

[1, 2, 11, 22, 23, 46, 173, 211, 253, 346, 422, 506, 1903, 2321, 3806, 3979, 4642, 4853, 7958, 9706, 36503, 43769, 53383, 73006, 87538, 106766, 401533, 803066, 839569, 1679138, 9235259, 18470518]

約数ペア:

[(1, 18470518), (2, 9235259), (11, 1679138), (22, 839569), (23, 803066), (46, 401533), (173, 106766), (211, 87538), (253, 73006), (346, 53383), (422, 43769), (506, 36503), (1903, 9706), (2321, 7958), (3806, 4853), (3979, 4642)]