18070456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 20420744

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 53, 68, 92, 106, 109, 136, 184, 212, 218, 391, 424, 436, 782, 872, 901, 1219, 1564, 1802, 1853, 2438, 2507, 3128, 3604, 3706, 4876, 5014, 5777, 7208, 7412, 9752, 10028, 11554, 14824, 20056, 20723, 23108, 41446, 42619, 46216, 82892, 85238, 98209, 132871, 165784, 170476, 196418, 265742, 340952, 392836, 531484, 785672, 1062968, 2258807, 4517614, 9035228, 18070456]

約数ペア:

[(1, 18070456), (2, 9035228), (4, 4517614), (8, 2258807), (17, 1062968), (23, 785672), (34, 531484), (46, 392836), (53, 340952), (68, 265742), (92, 196418), (106, 170476), (109, 165784), (136, 132871), (184, 98209), (212, 85238), (218, 82892), (391, 46216), (424, 42619), (436, 41446), (782, 23108), (872, 20723), (901, 20056), (1219, 14824), (1564, 11554), (1802, 10028), (1853, 9752), (2438, 7412), (2507, 7208), (3128, 5777), (3604, 5014), (3706, 4876)]