18955162226

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{305423}}^1$

素因数の和:305487

約数の個数: 64

約数和(自身を含む): 39407026176

約数和(自身を除く): 20451863950

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 143, 154, 182, 217, 286, 341, 403, 434, 682, 806, 1001, 2002, 2387, 2821, 4433, 4774, 5642, 8866, 31031, 62062, 305423, 610846, 2137961, 3359653, 3970499, 4275922, 6719306, 7940998, 9468113, 18936226, 23517571, 27793493, 43675489, 47035142, 55586986, 66276791, 87350978, 104149243, 123085469, 132553582, 208298486, 246170938, 305728423, 611456846, 729044701, 861598283, 1353940159, 1458089402, 1723196566, 2707880318, 9477581113, 18955162226]

約数ペア:

[(1, 18955162226), (2, 9477581113), (7, 2707880318), (11, 1723196566), (13, 1458089402), (14, 1353940159), (22, 861598283), (26, 729044701), (31, 611456846), (62, 305728423), (77, 246170938), (91, 208298486), (143, 132553582), (154, 123085469), (182, 104149243), (217, 87350978), (286, 66276791), (341, 55586986), (403, 47035142), (434, 43675489), (682, 27793493), (806, 23517571), (1001, 18936226), (2002, 9468113), (2387, 7940998), (2821, 6719306), (4433, 4275922), (4774, 3970499), (5642, 3359653), (8866, 2137961), (31031, 610846), (62062, 305423)]