27638768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{90917}}^1$

素因数の和:90944

約数の個数: 20

約数和(自身を含む): 56369160

約数和(自身を除く): 28730392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 90917, 181834, 363668, 727336, 1454672, 1727423, 3454846, 6909692, 13819384, 27638768]

約数ペア:

[(1, 27638768), (2, 13819384), (4, 6909692), (8, 3454846), (16, 1727423), (19, 1454672), (38, 727336), (76, 363668), (152, 181834), (304, 90917)]