19784508

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 48733440

約数和(自身を除く): 28948932

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 97, 138, 194, 276, 291, 388, 582, 739, 1164, 1478, 2217, 2231, 2956, 4434, 4462, 6693, 8868, 8924, 13386, 16997, 26772, 33994, 50991, 67988, 71683, 101982, 143366, 203964, 215049, 286732, 430098, 860196, 1648709, 3297418, 4946127, 6594836, 9892254, 19784508]

約数ペア:

[(1, 19784508), (2, 9892254), (3, 6594836), (4, 4946127), (6, 3297418), (12, 1648709), (23, 860196), (46, 430098), (69, 286732), (92, 215049), (97, 203964), (138, 143366), (194, 101982), (276, 71683), (291, 67988), (388, 50991), (582, 33994), (739, 26772), (1164, 16997), (1478, 13386), (2217, 8924), (2231, 8868), (2956, 6693), (4434, 4462)]