19145126

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 39384576

約数和(自身を除く): 20239450

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 73, 77, 91, 131, 143, 146, 154, 182, 262, 286, 511, 803, 917, 949, 1001, 1022, 1441, 1606, 1703, 1834, 1898, 2002, 2882, 3406, 5621, 6643, 9563, 10087, 10439, 11242, 11921, 13286, 18733, 19126, 20174, 20878, 23842, 37466, 66941, 73073, 105193, 124319, 131131, 133882, 146146, 210386, 248638, 262262, 736351, 870233, 1367509, 1472702, 1740466, 2735018, 9572563, 19145126]

約数ペア:

[(1, 19145126), (2, 9572563), (7, 2735018), (11, 1740466), (13, 1472702), (14, 1367509), (22, 870233), (26, 736351), (73, 262262), (77, 248638), (91, 210386), (131, 146146), (143, 133882), (146, 131131), (154, 124319), (182, 105193), (262, 73073), (286, 66941), (511, 37466), (803, 23842), (917, 20878), (949, 20174), (1001, 19126), (1022, 18733), (1441, 13286), (1606, 11921), (1703, 11242), (1834, 10439), (1898, 10087), (2002, 9563), (2882, 6643), (3406, 5621)]