18987437502

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{4297}}^1$

素因数の和:4535

約数の個数: 128

約数和(自身を含む): 47383902720

約数和(自身を除く): 28396465218

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 173, 198, 258, 297, 346, 387, 473, 519, 594, 774, 946, 1038, 1161, 1419, 1557, 1903, 2322, 2838, 3114, 3806, 4257, 4297, 4671, 5709, 7439, 8514, 8594, 9342, 11418, 12771, 12891, 14878, 17127, 22317, 25542, 25782, 34254, 38673, 44634, 47267, 51381, 66951, 77346, 81829, 94534, 102762, 116019, 133902, 141801, 163658, 184771, 200853, 232038, 245487, 283602, 369542, 401706, 425403, 490974, 554313, 736461, 743381, 850806, 1108626, 1276209, 1472922, 1486762, 1662939, 2032481, 2209383, 2230143, 2552418, 3325878, 4064962, 4418766, 4460286, 4988817, 6097443, 6690429, 8177191, 9977634, 12194886, 13380858, 16354382, 18292329, 20071287, 24531573, 31965383, 36584658, 40142574, 49063146, 54876987, 63930766, 73594719, 95896149, 109753974, 147189438, 191792298, 220784157, 287688447, 351619213, 441568314, 575376894, 703238426, 863065341, 1054857639, 1726130682, 2109715278, 3164572917, 6329145834, 9493718751, 18987437502]

約数ペア:

[(1, 18987437502), (2, 9493718751), (3, 6329145834), (6, 3164572917), (9, 2109715278), (11, 1726130682), (18, 1054857639), (22, 863065341), (27, 703238426), (33, 575376894), (43, 441568314), (54, 351619213), (66, 287688447), (86, 220784157), (99, 191792298), (129, 147189438), (173, 109753974), (198, 95896149), (258, 73594719), (297, 63930766), (346, 54876987), (387, 49063146), (473, 40142574), (519, 36584658), (594, 31965383), (774, 24531573), (946, 20071287), (1038, 18292329), (1161, 16354382), (1419, 13380858), (1557, 12194886), (1903, 9977634), (2322, 8177191), (2838, 6690429), (3114, 6097443), (3806, 4988817), (4257, 4460286), (4297, 4418766), (4671, 4064962), (5709, 3325878), (7439, 2552418), (8514, 2230143), (8594, 2209383), (9342, 2032481), (11418, 1662939), (12771, 1486762), (12891, 1472922), (14878, 1276209), (17127, 1108626), (22317, 850806), (25542, 743381), (25782, 736461), (34254, 554313), (38673, 490974), (44634, 425403), (47267, 401706), (51381, 369542), (66951, 283602), (77346, 245487), (81829, 232038), (94534, 200853), (102762, 184771), (116019, 163658), (133902, 141801)]