18700528

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 46354176

約数和(自身を除く): 27653648

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 301, 308, 344, 353, 473, 602, 616, 688, 706, 946, 1204, 1232, 1412, 1892, 2408, 2471, 2824, 3311, 3784, 3883, 4816, 4942, 5648, 6622, 7568, 7766, 9884, 13244, 15179, 15532, 19768, 26488, 27181, 30358, 31064, 39536, 52976, 54362, 60716, 62128, 106253, 108724, 121432, 166969, 212506, 217448, 242864, 333938, 425012, 434896, 667876, 850024, 1168783, 1335752, 1700048, 2337566, 2671504, 4675132, 9350264, 18700528]

約数ペア:

[(1, 18700528), (2, 9350264), (4, 4675132), (7, 2671504), (8, 2337566), (11, 1700048), (14, 1335752), (16, 1168783), (22, 850024), (28, 667876), (43, 434896), (44, 425012), (56, 333938), (77, 242864), (86, 217448), (88, 212506), (112, 166969), (154, 121432), (172, 108724), (176, 106253), (301, 62128), (308, 60716), (344, 54362), (353, 52976), (473, 39536), (602, 31064), (616, 30358), (688, 27181), (706, 26488), (946, 19768), (1204, 15532), (1232, 15179), (1412, 13244), (1892, 9884), (2408, 7766), (2471, 7568), (2824, 6622), (3311, 5648), (3784, 4942), (3883, 4816)]