19805284

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 16008956

約数列:

[1, 2, 4, 43, 86, 113, 172, 226, 452, 1019, 2038, 4076, 4859, 9718, 19436, 43817, 87634, 115147, 175268, 230294, 460588, 4951321, 9902642, 19805284]

約数ペア:

[(1, 19805284), (2, 9902642), (4, 4951321), (43, 460588), (86, 230294), (113, 175268), (172, 115147), (226, 87634), (452, 43817), (1019, 19436), (2038, 9718), (4076, 4859)]