19813858274

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3920431}}^1$

素因数の和:3920478

約数の個数: 24

約数和(自身を含む): 35848430208

約数和(自身を除く): 16034571934

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 3920431, 7840862, 27443017, 54886034, 74488189, 148976378, 521417323, 1042834646, 1415275591, 2830551182, 9906929137, 19813858274]

約数ペア:

[(1, 19813858274), (2, 9906929137), (7, 2830551182), (14, 1415275591), (19, 1042834646), (38, 521417323), (133, 148976378), (266, 74488189), (361, 54886034), (722, 27443017), (2527, 7840862), (5054, 3920431)]