18489608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 38521980

約数和(自身を除く): 20032372

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 257, 391, 514, 529, 782, 1028, 1058, 1564, 2056, 2116, 3128, 4232, 4369, 5911, 8738, 8993, 11822, 17476, 17986, 23644, 34952, 35972, 47288, 71944, 100487, 135953, 200974, 271906, 401948, 543812, 803896, 1087624, 2311201, 4622402, 9244804, 18489608]

約数ペア:

[(1, 18489608), (2, 9244804), (4, 4622402), (8, 2311201), (17, 1087624), (23, 803896), (34, 543812), (46, 401948), (68, 271906), (92, 200974), (136, 135953), (184, 100487), (257, 71944), (391, 47288), (514, 35972), (529, 34952), (782, 23644), (1028, 17986), (1058, 17476), (1564, 11822), (2056, 8993), (2116, 8738), (3128, 5911), (4232, 4369)]