19839918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 49379328

約数和(自身を除く): 29539410

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 37, 42, 51, 74, 102, 111, 119, 222, 238, 259, 357, 518, 629, 714, 751, 777, 1258, 1502, 1554, 1887, 2253, 3774, 4403, 4506, 5257, 8806, 10514, 12767, 13209, 15771, 25534, 26418, 27787, 31542, 38301, 55574, 76602, 83361, 89369, 166722, 178738, 194509, 268107, 389018, 472379, 536214, 583527, 944758, 1167054, 1417137, 2834274, 3306653, 6613306, 9919959, 19839918]

約数ペア:

[(1, 19839918), (2, 9919959), (3, 6613306), (6, 3306653), (7, 2834274), (14, 1417137), (17, 1167054), (21, 944758), (34, 583527), (37, 536214), (42, 472379), (51, 389018), (74, 268107), (102, 194509), (111, 178738), (119, 166722), (222, 89369), (238, 83361), (259, 76602), (357, 55574), (518, 38301), (629, 31542), (714, 27787), (751, 26418), (777, 25534), (1258, 15771), (1502, 13209), (1554, 12767), (1887, 10514), (2253, 8806), (3774, 5257), (4403, 4506)]