20377918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{48751}}^1$

素因数の和:48783

約数の個数: 16

約数和(自身を含む): 35101440

約数和(自身を除く): 14723522

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 48751, 97502, 536261, 926269, 1072522, 1852538, 10188959, 20377918]

約数ペア:

[(1, 20377918), (2, 10188959), (11, 1852538), (19, 1072522), (22, 926269), (38, 536261), (209, 97502), (418, 48751)]