19459400

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 45616500

約数和(自身を除く): 26157100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 298, 596, 653, 745, 1192, 1306, 1490, 2612, 2980, 3265, 3725, 5224, 5960, 6530, 7450, 13060, 14900, 16325, 26120, 29800, 32650, 65300, 97297, 130600, 194594, 389188, 486485, 778376, 972970, 1945940, 2432425, 3891880, 4864850, 9729700, 19459400]

約数ペア:

[(1, 19459400), (2, 9729700), (4, 4864850), (5, 3891880), (8, 2432425), (10, 1945940), (20, 972970), (25, 778376), (40, 486485), (50, 389188), (100, 194594), (149, 130600), (200, 97297), (298, 65300), (596, 32650), (653, 29800), (745, 26120), (1192, 16325), (1306, 14900), (1490, 13060), (2612, 7450), (2980, 6530), (3265, 5960), (3725, 5224)]