18859698

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 32088654

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 33, 34, 39, 51, 66, 78, 99, 102, 117, 143, 153, 187, 198, 221, 234, 286, 306, 374, 429, 431, 442, 561, 663, 858, 862, 1122, 1287, 1293, 1326, 1683, 1989, 2431, 2574, 2586, 3366, 3879, 3978, 4741, 4862, 5603, 7293, 7327, 7758, 9482, 11206, 14223, 14586, 14654, 16809, 21879, 21981, 28446, 33618, 42669, 43758, 43962, 50427, 61633, 65943, 80597, 85338, 95251, 100854, 123266, 131886, 161194, 184899, 190502, 241791, 285753, 369798, 483582, 554697, 571506, 725373, 857259, 1047761, 1109394, 1450746, 1714518, 2095522, 3143283, 6286566, 9429849, 18859698]

約数ペア:

[(1, 18859698), (2, 9429849), (3, 6286566), (6, 3143283), (9, 2095522), (11, 1714518), (13, 1450746), (17, 1109394), (18, 1047761), (22, 857259), (26, 725373), (33, 571506), (34, 554697), (39, 483582), (51, 369798), (66, 285753), (78, 241791), (99, 190502), (102, 184899), (117, 161194), (143, 131886), (153, 123266), (187, 100854), (198, 95251), (221, 85338), (234, 80597), (286, 65943), (306, 61633), (374, 50427), (429, 43962), (431, 43758), (442, 42669), (561, 33618), (663, 28446), (858, 21981), (862, 21879), (1122, 16809), (1287, 14654), (1293, 14586), (1326, 14223), (1683, 11206), (1989, 9482), (2431, 7758), (2574, 7327), (2586, 7293), (3366, 5603), (3879, 4862), (3978, 4741)]