18206220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 35419380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 59, 60, 74, 111, 118, 139, 148, 177, 185, 222, 236, 278, 295, 354, 370, 417, 444, 555, 556, 590, 695, 708, 740, 834, 885, 1110, 1180, 1390, 1668, 1770, 2085, 2183, 2220, 2780, 3540, 4170, 4366, 5143, 6549, 8201, 8340, 8732, 10286, 10915, 13098, 15429, 16402, 20572, 21830, 24603, 25715, 26196, 30858, 32745, 32804, 41005, 43660, 49206, 51430, 61716, 65490, 77145, 82010, 98412, 102860, 123015, 130980, 154290, 164020, 246030, 303437, 308580, 492060, 606874, 910311, 1213748, 1517185, 1820622, 3034370, 3641244, 4551555, 6068740, 9103110, 18206220]

約数ペア:

[(1, 18206220), (2, 9103110), (3, 6068740), (4, 4551555), (5, 3641244), (6, 3034370), (10, 1820622), (12, 1517185), (15, 1213748), (20, 910311), (30, 606874), (37, 492060), (59, 308580), (60, 303437), (74, 246030), (111, 164020), (118, 154290), (139, 130980), (148, 123015), (177, 102860), (185, 98412), (222, 82010), (236, 77145), (278, 65490), (295, 61716), (354, 51430), (370, 49206), (417, 43660), (444, 41005), (555, 32804), (556, 32745), (590, 30858), (695, 26196), (708, 25715), (740, 24603), (834, 21830), (885, 20572), (1110, 16402), (1180, 15429), (1390, 13098), (1668, 10915), (1770, 10286), (2085, 8732), (2183, 8340), (2220, 8201), (2780, 6549), (3540, 5143), (4170, 4366)]