19185417

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 30187080

約数和(自身を除く): 11001663

約数列:

[1, 3, 9, 27, 41, 53, 81, 109, 123, 159, 327, 369, 477, 981, 1107, 1431, 2173, 2943, 3321, 4293, 4469, 5777, 6519, 8829, 13407, 17331, 19557, 40221, 51993, 58671, 120663, 155979, 176013, 236857, 361989, 467937, 710571, 2131713, 6395139, 19185417]

約数ペア:

[(1, 19185417), (3, 6395139), (9, 2131713), (27, 710571), (41, 467937), (53, 361989), (81, 236857), (109, 176013), (123, 155979), (159, 120663), (327, 58671), (369, 51993), (477, 40221), (981, 19557), (1107, 17331), (1431, 13407), (2173, 8829), (2943, 6519), (3321, 5777), (4293, 4469)]