18987594

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{13241}}^1$

素因数の和:13485

約数の個数: 16

約数和(自身を含む): 38136960

約数和(自身を除く): 19149366

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 13241, 26482, 39723, 79446, 3164599, 6329198, 9493797, 18987594]

約数ペア:

[(1, 18987594), (2, 9493797), (3, 6329198), (6, 3164599), (239, 79446), (478, 39723), (717, 26482), (1434, 13241)]