19782532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5839}}^1$

素因数の和:5872

約数の個数: 36

約数和(自身を含む): 43496320

約数和(自身を除く): 23713788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5839, 11678, 23356, 40873, 64229, 81746, 128458, 163492, 256916, 449603, 706519, 899206, 1413038, 1798412, 2826076, 4945633, 9891266, 19782532]

約数ペア:

[(1, 19782532), (2, 9891266), (4, 4945633), (7, 2826076), (11, 1798412), (14, 1413038), (22, 899206), (28, 706519), (44, 449603), (77, 256916), (121, 163492), (154, 128458), (242, 81746), (308, 64229), (484, 40873), (847, 23356), (1694, 11678), (3388, 5839)]