19553247

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18257}}^1$

素因数の和:18287

約数の個数: 24

約数和(自身を含む): 34178976

約数和(自身を除く): 14625729

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18257, 54771, 127799, 164313, 310369, 383397, 931107, 1150191, 2172583, 2793321, 6517749, 19553247]

約数ペア:

[(1, 19553247), (3, 6517749), (7, 2793321), (9, 2172583), (17, 1150191), (21, 931107), (51, 383397), (63, 310369), (119, 164313), (153, 127799), (357, 54771), (1071, 18257)]