18470978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{12953}}^1$

素因数の和:13009

約数の個数: 16

約数和(自身を含む): 29846016

約数和(自身を除く): 11375038

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 12953, 25906, 297919, 401543, 595838, 803086, 9235489, 18470978]

約数ペア:

[(1, 18470978), (2, 9235489), (23, 803086), (31, 595838), (46, 401543), (62, 297919), (713, 25906), (1426, 12953)]