18639621

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2069}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 36167040

約数和(自身を除く): 17527419

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2069, 3003, 6207, 9009, 14483, 18621, 22759, 26897, 43449, 68277, 80691, 130347, 159313, 188279, 204831, 242073, 295867, 477939, 564837, 887601, 1433817, 1694511, 2071069, 2662803, 6213207, 18639621]

約数ペア:

[(1, 18639621), (3, 6213207), (7, 2662803), (9, 2071069), (11, 1694511), (13, 1433817), (21, 887601), (33, 564837), (39, 477939), (63, 295867), (77, 242073), (91, 204831), (99, 188279), (117, 159313), (143, 130347), (231, 80691), (273, 68277), (429, 43449), (693, 26897), (819, 22759), (1001, 18621), (1287, 14483), (2069, 9009), (3003, 6207)]