19848356

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1832

約数の個数: 36

約数和(自身を含む): 39861696

約数和(自身を除く): 20013340

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 1012, 1783, 2783, 3566, 5566, 7132, 11132, 19613, 39226, 41009, 78452, 82018, 164036, 215743, 431486, 451099, 862972, 902198, 1804396, 4962089, 9924178, 19848356]

約数ペア:

[(1, 19848356), (2, 9924178), (4, 4962089), (11, 1804396), (22, 902198), (23, 862972), (44, 451099), (46, 431486), (92, 215743), (121, 164036), (242, 82018), (253, 78452), (484, 41009), (506, 39226), (1012, 19613), (1783, 11132), (2783, 7132), (3566, 5566)]