19419084

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 52416000

約数和(自身を除く): 32996916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 499, 564, 828, 846, 998, 1081, 1497, 1692, 1996, 2162, 2994, 3243, 4324, 4491, 5988, 6486, 8982, 9729, 11477, 12972, 17964, 19458, 22954, 23453, 34431, 38916, 45908, 46906, 68862, 70359, 93812, 103293, 137724, 140718, 206586, 211077, 281436, 413172, 422154, 539419, 844308, 1078838, 1618257, 2157676, 3236514, 4854771, 6473028, 9709542, 19419084]

約数ペア:

[(1, 19419084), (2, 9709542), (3, 6473028), (4, 4854771), (6, 3236514), (9, 2157676), (12, 1618257), (18, 1078838), (23, 844308), (36, 539419), (46, 422154), (47, 413172), (69, 281436), (92, 211077), (94, 206586), (138, 140718), (141, 137724), (188, 103293), (207, 93812), (276, 70359), (282, 68862), (414, 46906), (423, 45908), (499, 38916), (564, 34431), (828, 23453), (846, 22954), (998, 19458), (1081, 17964), (1497, 12972), (1692, 11477), (1996, 9729), (2162, 8982), (2994, 6486), (3243, 5988), (4324, 4491)]