19419423

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 28864512

約数和(自身を除く): 9445089

約数列:

[1, 3, 17, 31, 51, 71, 93, 173, 213, 519, 527, 1207, 1581, 2201, 2941, 3621, 5363, 6603, 8823, 12283, 16089, 36849, 37417, 91171, 112251, 208811, 273513, 380773, 626433, 1142319, 6473141, 19419423]

約数ペア:

[(1, 19419423), (3, 6473141), (17, 1142319), (31, 626433), (51, 380773), (71, 273513), (93, 208811), (173, 112251), (213, 91171), (519, 37417), (527, 36849), (1207, 16089), (1581, 12283), (2201, 8823), (2941, 6603), (3621, 5363)]