218974810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{1217}}^1$

素因数の和:2190

約数の個数: 32

約数和(自身を含む): 415679040

約数和(自身を除く): 196704230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 947, 1217, 1894, 2434, 4735, 6085, 9470, 12170, 17993, 23123, 35986, 46246, 89965, 115615, 179930, 231230, 1152499, 2304998, 5762495, 11524990, 21897481, 43794962, 109487405, 218974810]

約数ペア:

[(1, 218974810), (2, 109487405), (5, 43794962), (10, 21897481), (19, 11524990), (38, 5762495), (95, 2304998), (190, 1152499), (947, 231230), (1217, 179930), (1894, 115615), (2434, 89965), (4735, 46246), (6085, 35986), (9470, 23123), (12170, 17993)]