19992969

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 30817800

約数和(自身を除く): 10824831

約数列:

[1, 3, 9, 17, 51, 149, 153, 447, 877, 1341, 2533, 2631, 7599, 7893, 14909, 22797, 44727, 130673, 134181, 392019, 1176057, 2221441, 6664323, 19992969]

約数ペア:

[(1, 19992969), (3, 6664323), (9, 2221441), (17, 1176057), (51, 392019), (149, 134181), (153, 130673), (447, 44727), (877, 22797), (1341, 14909), (2533, 7893), (2631, 7599)]