19826828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1862

約数の個数: 48

約数和(自身を含む): 43835904

約数和(自身を除く): 24009076

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1811, 2737, 3622, 5474, 7244, 10948, 12677, 25354, 30787, 41653, 50708, 61574, 83306, 123148, 166612, 215509, 291571, 431018, 583142, 708101, 862036, 1166284, 1416202, 2832404, 4956707, 9913414, 19826828]

約数ペア:

[(1, 19826828), (2, 9913414), (4, 4956707), (7, 2832404), (14, 1416202), (17, 1166284), (23, 862036), (28, 708101), (34, 583142), (46, 431018), (68, 291571), (92, 215509), (119, 166612), (161, 123148), (238, 83306), (322, 61574), (391, 50708), (476, 41653), (644, 30787), (782, 25354), (1564, 12677), (1811, 10948), (2737, 7244), (3622, 5474)]