19309708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 39261600

約数和(自身を除く): 19951892

約数列:

[1, 2, 4, 11, 22, 29, 37, 44, 58, 74, 116, 148, 319, 407, 409, 638, 814, 818, 1073, 1276, 1628, 1636, 2146, 4292, 4499, 8998, 11803, 11861, 15133, 17996, 23606, 23722, 30266, 47212, 47444, 60532, 130471, 166463, 260942, 332926, 438857, 521884, 665852, 877714, 1755428, 4827427, 9654854, 19309708]

約数ペア:

[(1, 19309708), (2, 9654854), (4, 4827427), (11, 1755428), (22, 877714), (29, 665852), (37, 521884), (44, 438857), (58, 332926), (74, 260942), (116, 166463), (148, 130471), (319, 60532), (407, 47444), (409, 47212), (638, 30266), (814, 23722), (818, 23606), (1073, 17996), (1276, 15133), (1628, 11861), (1636, 11803), (2146, 8998), (4292, 4499)]