19397048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220421}}^1$

素因数の和:220438

約数の個数: 16

約数和(自身を含む): 39675960

約数和(自身を除く): 20278912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220421, 440842, 881684, 1763368, 2424631, 4849262, 9698524, 19397048]

約数ペア:

[(1, 19397048), (2, 9698524), (4, 4849262), (8, 2424631), (11, 1763368), (22, 881684), (44, 440842), (88, 220421)]