18995878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 13082714

約数列:

[1, 2, 11, 22, 83, 101, 103, 166, 202, 206, 913, 1111, 1133, 1826, 2222, 2266, 8383, 8549, 10403, 16766, 17098, 20806, 92213, 94039, 114433, 184426, 188078, 228866, 863449, 1726898, 9497939, 18995878]

約数ペア:

[(1, 18995878), (2, 9497939), (11, 1726898), (22, 863449), (83, 228866), (101, 188078), (103, 184426), (166, 114433), (202, 94039), (206, 92213), (913, 20806), (1111, 17098), (1133, 16766), (1826, 10403), (2222, 8549), (2266, 8383)]