17956978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9461}}^1$

素因数の和:9549

約数の個数: 16

約数和(自身を含む): 29407896

約数和(自身を除く): 11450918

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 9461, 18922, 122993, 245986, 690653, 1381306, 8978489, 17956978]

約数ペア:

[(1, 17956978), (2, 8978489), (13, 1381306), (26, 690653), (73, 245986), (146, 122993), (949, 18922), (1898, 9461)]