18279986

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{991}}^1$

素因数の和:1417

約数の個数: 16

約数和(自身を含む): 28712448

約数和(自身を除く): 10432462

約数列:

[1, 2, 23, 46, 401, 802, 991, 1982, 9223, 18446, 22793, 45586, 397391, 794782, 9139993, 18279986]

約数ペア:

[(1, 18279986), (2, 9139993), (23, 794782), (46, 397391), (401, 45586), (802, 22793), (991, 18446), (1982, 9223)]