18919186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{797}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 33784128

約数和(自身を除く): 14864942

約数列:

[1, 2, 11, 13, 22, 26, 83, 143, 166, 286, 797, 913, 1079, 1594, 1826, 2158, 8767, 10361, 11869, 17534, 20722, 23738, 66151, 113971, 132302, 227942, 727661, 859963, 1455322, 1719926, 9459593, 18919186]

約数ペア:

[(1, 18919186), (2, 9459593), (11, 1719926), (13, 1455322), (22, 859963), (26, 727661), (83, 227942), (143, 132302), (166, 113971), (286, 66151), (797, 23738), (913, 20722), (1079, 17534), (1594, 11869), (1826, 10361), (2158, 8767)]