209640908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{2707}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 386702400

約数和(自身を除く): 177061492

約数列:

[1, 2, 4, 19, 38, 76, 1019, 2038, 2707, 4076, 5414, 10828, 19361, 38722, 51433, 77444, 102866, 205732, 2758433, 5516866, 11033732, 52410227, 104820454, 209640908]

約数ペア:

[(1, 209640908), (2, 104820454), (4, 52410227), (19, 11033732), (38, 5516866), (76, 2758433), (1019, 205732), (2038, 102866), (2707, 77444), (4076, 51433), (5414, 38722), (10828, 19361)]