19608669

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 30528000

約数和(自身を除く): 10919331

約数列:

[1, 3, 9, 27, 29, 79, 87, 237, 261, 317, 711, 783, 951, 2133, 2291, 2853, 6873, 8559, 9193, 20619, 25043, 27579, 61857, 75129, 82737, 225387, 248211, 676161, 726247, 2178741, 6536223, 19608669]

約数ペア:

[(1, 19608669), (3, 6536223), (9, 2178741), (27, 726247), (29, 676161), (79, 248211), (87, 225387), (237, 82737), (261, 75129), (317, 61857), (711, 27579), (783, 25043), (951, 20619), (2133, 9193), (2291, 8559), (2853, 6873)]