1689899216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5558879}}^1$

素因数の和:5558906

約数の個数: 20

約数和(自身を含む): 3446505600

約数和(自身を除く): 1756606384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5558879, 11117758, 22235516, 44471032, 88942064, 105618701, 211237402, 422474804, 844949608, 1689899216]

約数ペア:

[(1, 1689899216), (2, 844949608), (4, 422474804), (8, 211237402), (16, 105618701), (19, 88942064), (38, 44471032), (76, 22235516), (152, 11117758), (304, 5558879)]