18587283

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 29928192

約数和(自身を除く): 11340909

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1171, 1221, 1443, 3513, 5291, 12881, 15223, 15873, 38643, 43327, 45669, 129981, 167453, 476597, 502359, 563251, 1429791, 1689753, 6195761, 18587283]

約数ペア:

[(1, 18587283), (3, 6195761), (11, 1689753), (13, 1429791), (33, 563251), (37, 502359), (39, 476597), (111, 167453), (143, 129981), (407, 45669), (429, 43327), (481, 38643), (1171, 15873), (1221, 15223), (1443, 12881), (3513, 5291)]