19769988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6361}}^1$

素因数の和:6412

約数の個数: 48

約数和(自身を含む): 54153344

約数和(自身を除く): 34383356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6361, 12722, 19083, 25444, 38166, 44527, 76332, 89054, 133581, 178108, 235357, 267162, 470714, 534324, 706071, 941428, 1412142, 1647499, 2824284, 3294998, 4942497, 6589996, 9884994, 19769988]

約数ペア:

[(1, 19769988), (2, 9884994), (3, 6589996), (4, 4942497), (6, 3294998), (7, 2824284), (12, 1647499), (14, 1412142), (21, 941428), (28, 706071), (37, 534324), (42, 470714), (74, 267162), (84, 235357), (111, 178108), (148, 133581), (222, 89054), (259, 76332), (444, 44527), (518, 38166), (777, 25444), (1036, 19083), (1554, 12722), (3108, 6361)]