18699040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6151}}^1$

素因数の和:6185

約数の個数: 48

約数和(自身を含む): 46509120

約数和(自身を除く): 27810080

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, 6151, 12302, 24604, 30755, 49208, 61510, 98416, 116869, 123020, 196832, 233738, 246040, 467476, 492080, 584345, 934952, 984160, 1168690, 1869904, 2337380, 3739808, 4674760, 9349520, 18699040]

約数ペア:

[(1, 18699040), (2, 9349520), (4, 4674760), (5, 3739808), (8, 2337380), (10, 1869904), (16, 1168690), (19, 984160), (20, 934952), (32, 584345), (38, 492080), (40, 467476), (76, 246040), (80, 233738), (95, 196832), (152, 123020), (160, 116869), (190, 98416), (304, 61510), (380, 49208), (608, 30755), (760, 24604), (1520, 12302), (3040, 6151)]