19564912

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12107}}^1$

素因数の和:12216

約数の個数: 20

約数和(自身を含む): 38285496

約数和(自身を除く): 18720584

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12107, 24214, 48428, 96856, 193712, 1222807, 2445614, 4891228, 9782456, 19564912]

約数ペア:

[(1, 19564912), (2, 9782456), (4, 4891228), (8, 2445614), (16, 1222807), (101, 193712), (202, 96856), (404, 48428), (808, 24214), (1616, 12107)]