1719728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5657}}^1$

素因数の和:5684

約数の個数: 20

約数和(自身を含む): 3507960

約数和(自身を除く): 1788232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5657, 11314, 22628, 45256, 90512, 107483, 214966, 429932, 859864, 1719728]

約数ペア:

[(1, 1719728), (2, 859864), (4, 429932), (8, 214966), (16, 107483), (19, 90512), (38, 45256), (76, 22628), (152, 11314), (304, 5657)]