18139186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 13189454

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 503, 949, 1006, 1387, 1898, 2774, 6539, 9557, 13078, 18031, 19114, 36062, 36719, 73438, 124241, 248482, 477347, 697661, 954694, 1395322, 9069593, 18139186]

約数ペア:

[(1, 18139186), (2, 9069593), (13, 1395322), (19, 954694), (26, 697661), (38, 477347), (73, 248482), (146, 124241), (247, 73438), (494, 36719), (503, 36062), (949, 19114), (1006, 18031), (1387, 13078), (1898, 9557), (2774, 6539)]