19780672

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16267}}^1$

素因数の和:16298

約数の個数: 28

約数和(自身を含む): 41320720

約数和(自身を除く): 21540048

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16267, 32534, 65068, 130136, 260272, 309073, 520544, 618146, 1041088, 1236292, 2472584, 4945168, 9890336, 19780672]

約数ペア:

[(1, 19780672), (2, 9890336), (4, 4945168), (8, 2472584), (16, 1236292), (19, 1041088), (32, 618146), (38, 520544), (64, 309073), (76, 260272), (152, 130136), (304, 65068), (608, 32534), (1216, 16267)]