19473040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5179}}^1$

素因数の和:5239

約数の個数: 40

約数和(自身を含む): 46247040

約数和(自身を除く): 26774000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5179, 10358, 20716, 25895, 41432, 51790, 82864, 103580, 207160, 243413, 414320, 486826, 973652, 1217065, 1947304, 2434130, 3894608, 4868260, 9736520, 19473040]

約数ペア:

[(1, 19473040), (2, 9736520), (4, 4868260), (5, 3894608), (8, 2434130), (10, 1947304), (16, 1217065), (20, 973652), (40, 486826), (47, 414320), (80, 243413), (94, 207160), (188, 103580), (235, 82864), (376, 51790), (470, 41432), (752, 25895), (940, 20716), (1880, 10358), (3760, 5179)]