18339256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9281}}^1$

素因数の和:9319

約数の個数: 32

約数和(自身を含む): 38984400

約数和(自身を除く): 20645144

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9281, 18562, 37124, 74248, 120653, 176339, 241306, 352678, 482612, 705356, 965224, 1410712, 2292407, 4584814, 9169628, 18339256]

約数ペア:

[(1, 18339256), (2, 9169628), (4, 4584814), (8, 2292407), (13, 1410712), (19, 965224), (26, 705356), (38, 482612), (52, 352678), (76, 241306), (104, 176339), (152, 120653), (247, 74248), (494, 37124), (988, 18562), (1976, 9281)]