19992051

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3187}}^1$

素因数の和:3251

約数の個数: 24

約数和(自身を含む): 31331664

約数和(自身を除く): 11339613

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3187, 6273, 9561, 28683, 54179, 130667, 162537, 392001, 487611, 1176003, 2221339, 6664017, 19992051]

約数ペア:

[(1, 19992051), (3, 6664017), (9, 2221339), (17, 1176003), (41, 487611), (51, 392001), (123, 162537), (153, 130667), (369, 54179), (697, 28683), (2091, 9561), (3187, 6273)]