18560542

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 38191104

約数和(自身を除く): 19630562

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 73, 77, 91, 127, 143, 146, 154, 182, 254, 286, 511, 803, 889, 949, 1001, 1022, 1397, 1606, 1651, 1778, 1898, 2002, 2794, 3302, 5621, 6643, 9271, 9779, 10439, 11242, 11557, 13286, 18161, 18542, 19558, 20878, 23114, 36322, 64897, 73073, 101981, 120523, 127127, 129794, 146146, 203962, 241046, 254254, 713867, 843661, 1325753, 1427734, 1687322, 2651506, 9280271, 18560542]

約数ペア:

[(1, 18560542), (2, 9280271), (7, 2651506), (11, 1687322), (13, 1427734), (14, 1325753), (22, 843661), (26, 713867), (73, 254254), (77, 241046), (91, 203962), (127, 146146), (143, 129794), (146, 127127), (154, 120523), (182, 101981), (254, 73073), (286, 64897), (511, 36322), (803, 23114), (889, 20878), (949, 19558), (1001, 18542), (1022, 18161), (1397, 13286), (1606, 11557), (1651, 11242), (1778, 10439), (1898, 9779), (2002, 9271), (2794, 6643), (3302, 5621)]