1647376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5419}}^1$

素因数の和:5446

約数の個数: 20

約数和(自身を含む): 3360400

約数和(自身を除く): 1713024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5419, 10838, 21676, 43352, 86704, 102961, 205922, 411844, 823688, 1647376]

約数ペア:

[(1, 1647376), (2, 823688), (4, 411844), (8, 205922), (16, 102961), (19, 86704), (38, 43352), (76, 21676), (152, 10838), (304, 5419)]