219952816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{723529}}^1$

素因数の和:723556

約数の個数: 20

約数和(自身を含む): 448588600

約数和(自身を除く): 228635784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 723529, 1447058, 2894116, 5788232, 11576464, 13747051, 27494102, 54988204, 109976408, 219952816]

約数ペア:

[(1, 219952816), (2, 109976408), (4, 54988204), (8, 27494102), (16, 13747051), (19, 11576464), (38, 5788232), (76, 2894116), (152, 1447058), (304, 723529)]