18716984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16361}}^1$

素因数の和:16391

約数の個数: 32

約数和(自身を含む): 41232240

約数和(自身を除く): 22515256

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 16361, 32722, 65444, 130888, 179971, 212693, 359942, 425386, 719884, 850772, 1439768, 1701544, 2339623, 4679246, 9358492, 18716984]

約数ペア:

[(1, 18716984), (2, 9358492), (4, 4679246), (8, 2339623), (11, 1701544), (13, 1439768), (22, 850772), (26, 719884), (44, 425386), (52, 359942), (88, 212693), (104, 179971), (143, 130888), (286, 65444), (572, 32722), (1144, 16361)]