1640691952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5397013}}^1$

素因数の和:5397040

約数の個数: 20

約数和(自身を含む): 3346148680

約数和(自身を除く): 1705456728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5397013, 10794026, 21588052, 43176104, 86352208, 102543247, 205086494, 410172988, 820345976, 1640691952]

約数ペア:

[(1, 1640691952), (2, 820345976), (4, 410172988), (8, 205086494), (16, 102543247), (19, 86352208), (38, 43176104), (76, 21588052), (152, 10794026), (304, 5397013)]