19765464

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 52496640

約数和(自身を除く): 32731176

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 61, 69, 92, 122, 138, 183, 184, 244, 276, 366, 488, 552, 587, 732, 1174, 1403, 1464, 1761, 2348, 2806, 3522, 4209, 4696, 5612, 7044, 8418, 11224, 13501, 14088, 16836, 27002, 33672, 35807, 40503, 54004, 71614, 81006, 107421, 108008, 143228, 162012, 214842, 286456, 324024, 429684, 823561, 859368, 1647122, 2470683, 3294244, 4941366, 6588488, 9882732, 19765464]

約数ペア:

[(1, 19765464), (2, 9882732), (3, 6588488), (4, 4941366), (6, 3294244), (8, 2470683), (12, 1647122), (23, 859368), (24, 823561), (46, 429684), (61, 324024), (69, 286456), (92, 214842), (122, 162012), (138, 143228), (183, 108008), (184, 107421), (244, 81006), (276, 71614), (366, 54004), (488, 40503), (552, 35807), (587, 33672), (732, 27002), (1174, 16836), (1403, 14088), (1464, 13501), (1761, 11224), (2348, 8418), (2806, 7044), (3522, 5612), (4209, 4696)]