18671978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 24

約数和(自身を含む): 30823884

約数和(自身を除く): 12151906

約数列:

[1, 2, 13, 26, 61, 122, 193, 386, 793, 1586, 2509, 3721, 5018, 7442, 11773, 23546, 48373, 96746, 153049, 306098, 718153, 1436306, 9335989, 18671978]

約数ペア:

[(1, 18671978), (2, 9335989), (13, 1436306), (26, 718153), (61, 306098), (122, 153049), (193, 96746), (386, 48373), (793, 23546), (1586, 11773), (2509, 7442), (3721, 5018)]