19611040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6451}}^1$

素因数の和:6485

約数の個数: 48

約数和(自身を含む): 48777120

約数和(自身を除く): 29166080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6451, 12902, 25804, 32255, 51608, 64510, 103216, 122569, 129020, 206432, 245138, 258040, 490276, 516080, 612845, 980552, 1032160, 1225690, 1961104, 2451380, 3922208, 4902760, 9805520, 19611040]

約数ペア:

[(1, 19611040), (2, 9805520), (4, 4902760), (5, 3922208), (8, 2451380), (10, 1961104), (16, 1225690), (19, 1032160), (20, 980552), (32, 612845), (38, 516080), (40, 490276), (76, 258040), (80, 245138), (95, 206432), (152, 129020), (160, 122569), (190, 103216), (304, 64510), (380, 51608), (608, 32255), (760, 25804), (1520, 12902), (3040, 6451)]