18971569791

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{40543}}^1$

素因数の和:40717

約数の個数: 40

約数和(自身を含む): 29140594560

約数和(自身を除く): 10169024769

約数列:

[1, 3, 9, 27, 53, 81, 109, 159, 327, 477, 981, 1431, 2943, 4293, 5777, 8829, 17331, 40543, 51993, 121629, 155979, 364887, 467937, 1094661, 2148779, 3283983, 4419187, 6446337, 13257561, 19339011, 39772683, 58017033, 119318049, 174051099, 234216911, 357954147, 702650733, 2107952199, 6323856597, 18971569791]

約数ペア:

[(1, 18971569791), (3, 6323856597), (9, 2107952199), (27, 702650733), (53, 357954147), (81, 234216911), (109, 174051099), (159, 119318049), (327, 58017033), (477, 39772683), (981, 19339011), (1431, 13257561), (2943, 6446337), (4293, 4419187), (5777, 3283983), (8829, 2148779), (17331, 1094661), (40543, 467937), (51993, 364887), (121629, 155979)]