18730668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 50750784

約数和(自身を除く): 32020116

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 289, 374, 491, 561, 578, 748, 867, 982, 1122, 1156, 1473, 1734, 1964, 2244, 2946, 3179, 3468, 5401, 5892, 6358, 8347, 9537, 10802, 12716, 16203, 16694, 19074, 21604, 25041, 32406, 33388, 38148, 50082, 64812, 91817, 100164, 141899, 183634, 275451, 283798, 367268, 425697, 550902, 567596, 851394, 1101804, 1560889, 1702788, 3121778, 4682667, 6243556, 9365334, 18730668]

約数ペア:

[(1, 18730668), (2, 9365334), (3, 6243556), (4, 4682667), (6, 3121778), (11, 1702788), (12, 1560889), (17, 1101804), (22, 851394), (33, 567596), (34, 550902), (44, 425697), (51, 367268), (66, 283798), (68, 275451), (102, 183634), (132, 141899), (187, 100164), (204, 91817), (289, 64812), (374, 50082), (491, 38148), (561, 33388), (578, 32406), (748, 25041), (867, 21604), (982, 19074), (1122, 16694), (1156, 16203), (1473, 12716), (1734, 10802), (1964, 9537), (2244, 8347), (2946, 6358), (3179, 5892), (3468, 5401)]