19928530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18562670

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 1979, 2014, 3958, 5035, 9895, 10070, 19790, 37601, 75202, 104887, 188005, 209774, 376010, 524435, 1048870, 1992853, 3985706, 9964265, 19928530]

約数ペア:

[(1, 19928530), (2, 9964265), (5, 3985706), (10, 1992853), (19, 1048870), (38, 524435), (53, 376010), (95, 209774), (106, 188005), (190, 104887), (265, 75202), (530, 37601), (1007, 19790), (1979, 10070), (2014, 9895), (3958, 5035)]