18327738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 44198784

約数和(自身を除く): 25871046

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 41, 66, 78, 82, 123, 143, 246, 286, 429, 451, 521, 533, 858, 902, 1042, 1066, 1353, 1563, 1599, 2706, 3126, 3198, 5731, 5863, 6773, 11462, 11726, 13546, 17193, 17589, 20319, 21361, 34386, 35178, 40638, 42722, 64083, 74503, 128166, 149006, 223509, 234971, 277693, 447018, 469942, 555386, 704913, 833079, 1409826, 1666158, 3054623, 6109246, 9163869, 18327738]

約数ペア:

[(1, 18327738), (2, 9163869), (3, 6109246), (6, 3054623), (11, 1666158), (13, 1409826), (22, 833079), (26, 704913), (33, 555386), (39, 469942), (41, 447018), (66, 277693), (78, 234971), (82, 223509), (123, 149006), (143, 128166), (246, 74503), (286, 64083), (429, 42722), (451, 40638), (521, 35178), (533, 34386), (858, 21361), (902, 20319), (1042, 17589), (1066, 17193), (1353, 13546), (1563, 11726), (1599, 11462), (2706, 6773), (3126, 5863), (3198, 5731)]