19453040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3331}}^1$

素因数の和:3417

約数の個数: 40

約数和(自身を含む): 45861648

約数和(自身を除く): 26408608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3331, 5840, 6662, 13324, 16655, 26648, 33310, 53296, 66620, 133240, 243163, 266480, 486326, 972652, 1215815, 1945304, 2431630, 3890608, 4863260, 9726520, 19453040]

約数ペア:

[(1, 19453040), (2, 9726520), (4, 4863260), (5, 3890608), (8, 2431630), (10, 1945304), (16, 1215815), (20, 972652), (40, 486326), (73, 266480), (80, 243163), (146, 133240), (292, 66620), (365, 53296), (584, 33310), (730, 26648), (1168, 16655), (1460, 13324), (2920, 6662), (3331, 5840)]