18984268

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13147}}^1$

素因数の和:13189

約数の個数: 18

約数和(自身を含む): 35065716

約数和(自身を除く): 16081448

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13147, 26294, 52588, 249793, 499586, 999172, 4746067, 9492134, 18984268]

約数ペア:

[(1, 18984268), (2, 9492134), (4, 4746067), (19, 999172), (38, 499586), (76, 249793), (361, 52588), (722, 26294), (1444, 13147)]