18452378

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 35997696

約数和(自身を除く): 17545318

約数列:

[1, 2, 7, 14, 17, 31, 34, 41, 61, 62, 82, 119, 122, 217, 238, 287, 427, 434, 527, 574, 697, 854, 1037, 1054, 1271, 1394, 1891, 2074, 2501, 2542, 3689, 3782, 4879, 5002, 7259, 7378, 8897, 9758, 13237, 14518, 17507, 17794, 21607, 26474, 32147, 35014, 42517, 43214, 64294, 77531, 85034, 151249, 155062, 225029, 297619, 302498, 450058, 542717, 595238, 1085434, 1318027, 2636054, 9226189, 18452378]

約数ペア:

[(1, 18452378), (2, 9226189), (7, 2636054), (14, 1318027), (17, 1085434), (31, 595238), (34, 542717), (41, 450058), (61, 302498), (62, 297619), (82, 225029), (119, 155062), (122, 151249), (217, 85034), (238, 77531), (287, 64294), (427, 43214), (434, 42517), (527, 35014), (574, 32147), (697, 26474), (854, 21607), (1037, 17794), (1054, 17507), (1271, 14518), (1394, 13237), (1891, 9758), (2074, 8897), (2501, 7378), (2542, 7259), (3689, 5002), (3782, 4879)]