18637227

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^2$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 32145360

約数和(自身を除く): 13508133

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 101, 203, 261, 303, 609, 707, 909, 1827, 2121, 2929, 6363, 8787, 10201, 20503, 26361, 30603, 61509, 71407, 91809, 184527, 214221, 295829, 642663, 887487, 2070803, 2662461, 6212409, 18637227]

約数ペア:

[(1, 18637227), (3, 6212409), (7, 2662461), (9, 2070803), (21, 887487), (29, 642663), (63, 295829), (87, 214221), (101, 184527), (203, 91809), (261, 71407), (303, 61509), (609, 30603), (707, 26361), (909, 20503), (1827, 10201), (2121, 8787), (2929, 6363)]