19013871

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 8979729

約数列:

[1, 3, 17, 51, 59, 71, 89, 177, 213, 267, 1003, 1207, 1513, 3009, 3621, 4189, 4539, 5251, 6319, 12567, 15753, 18957, 71213, 89267, 107423, 213639, 267801, 322269, 372821, 1118463, 6337957, 19013871]

約数ペア:

[(1, 19013871), (3, 6337957), (17, 1118463), (51, 372821), (59, 322269), (71, 267801), (89, 213639), (177, 107423), (213, 89267), (267, 71213), (1003, 18957), (1207, 15753), (1513, 12567), (3009, 6319), (3621, 5251), (4189, 4539)]