18705321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{683}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 28810080

約数和(自身を除く): 10104759

約数列:

[1, 3, 9, 17, 51, 153, 179, 537, 683, 1611, 2049, 3043, 6147, 9129, 11611, 27387, 34833, 104499, 122257, 366771, 1100313, 2078369, 6235107, 18705321]

約数ペア:

[(1, 18705321), (3, 6235107), (9, 2078369), (17, 1100313), (51, 366771), (153, 122257), (179, 104499), (537, 34833), (683, 27387), (1611, 11611), (2049, 9129), (3043, 6147)]